Excretion and the Kidneys The kidneys remove excess water, minerals, and other waste products from the blood. The cleansed blood returns to circulation. Each kidney has nearly a million processing units called nephrons. Filtration and reabsorption occur in the nephrons.
- Filtration is the passage of a fluid or gas through a filter to remove wastes. The filtration of blood in the nephron takes place in the glomerulus, a small, dense network of capillaries. Each glomerulus is encased by a cuplike structure called Bowman's capsule. Pressure in the capillaries forces fluids and wastes from the blood into Bowman's capsule. This fluid is called filtrate.
- Most of the material that enters Bowman's capsule is returned to circulation. The process by which water and dissolved substances are taken back into the blood is called reabsorption.
- A section of the nephron tubule, called the loop of Henle, conserves water and minimizes the volume of filtrate. The fluid that remains in the tubule is called urine.
For Questions 7-10, write True if the statement is true. If the statement is false, change the underlined word or words to make the statement true.
____________7. Each kidney has nearly a million individual processing units called capillaries.
Each kidney has nearly a million individual processing units called capillaries is false as the units are called nephrons.
What are the nephrons?
Nephron, processing unit of the kidney, the shape that certainly produces urine withinside the procedure of doing away with waste and extra materials from the blood.
The nephrons paintings via a two-step procedure: the glomerulus filters your blood, and the tubule returns wanted materials for your blood and eliminates wastes. Each nephron has a glomerulus to clear out out your blood and a tubule that returns wanted materials for your blood and pulls out extra wastes.
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state the difference between the synthesis and the breakdown of a protein. thanks!
Synthesis of protein is the building up of protein molecule while the breakdown of protein is the degradation of the protein molecule.
What is protein?Protein is one of the biological molecules that present in living organisms and contain it's building blocks known as amino acids.
The synthesis of protein is the process used by living organism to produce proteins from amino acids (that is the building block).
The breakdown of protein is the degradation of protein molecule which is also called catabolism.
Therefore, the difference between protein synthesis and breakdown is that synthesis of protein is the building up of protein molecule while the breakdown of protein is the degradation of the protein molecule.
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Using an analogy of a water balloon, describe the function of the bladder. (I'm terrible at biology lol)
Nervous System
STIMULUS – RESPONSE PERFORMANCE LAB 38 points
PURPOSE: To measure response time after visual, auditory, and tactile stimuli have been practiced.
MATERIALS: meter stick or a yard stick (If you don’t have one - something about three feet long and stiff will work. You could get cardboard for example and mark off the distances on it..)
PROCEDURE:
Place your arm on a desk or table top with your hand resting on the edge. Your thumb and forefinger need to be projecting over the edge and about 2cm apart.
Your LC, friend or family member will hold the meter stick in a vertical position so that the zero end of the meter stick is halfway between your thumb and forefinger. The holder of the stick will drop it without warning you. You are to catch the meter stick as soon as possible after it has been released. Record on the data table the number of centimeters the meter stick dropped before you caught it.
Repeat the procedure 9 more times.
Repeat the procedure in steps 2 and 3 but this time close your eyes and have your LC, friend or family member tell you the moment the meter stick is dropped. Repeat this 9 more times and record the data in the data table.
Repeat the procedure in steps 2 and 3 but this time use a tactile stimulus. Have your LC, friend or family member touch you as soon as the meter stick is dropped. Be sure your eyes are closed. Repeat 9 more times and record your data.
Repeat the procedure in steps 2 and 3 but this time your LC, friend or family member will try to distract you as they drop the meter stick. Repeat 9 more times and record your data. 20 pts
Signal/Distance
1
2
3
4
5
6
7
8
9
10
Visual Distance (cm)
Auditory Distance (cm)
Tactile Distance (cm)
Distraction Distance (cm)
ANALYSES AND CONCLUSIONS
1. How did the auditory response time compare to the other signals? 2pts
2. How did the tactile response time compare to the other signals? 2 pts
3. How did your response time change with practice? 2 pts
4. Rank the response time from the slowest to the fastest. 2 pts
5. From these results draw a conclusion about practice with regard to stimulus – response time. Remember to state your claim, use evidence, and then make a conclusion. 10 pts
Answer:
Explanation:
Place your arm on a desk or table top with your hand resting on the edge. Your thumb and forefinger need to be projecting over the edge and about 2cm apart.
Your LC, friend or family member will hold the meter stick in a vertical position so that the zero end of the meter stick is halfway between your thumb and forefinger. The holder of the stick will drop it without warning you. You are to catch the meter stick as soon as possible after it has been released. Record on the data table the number of centimeters the meter stick dropped before you caught it.
Repeat the procedure 9 more times.
Repeat the procedure in steps 2 and 3 but this time close your eyes and have your LC, friend or family member tell you the moment the meter stick is dropped. Repeat this 9 more times and record the data in the data table.
Repeat the procedure in steps 2 and 3 but this time use a tactile stimulus. Have your LC, friend or family member touch you as soon as the meter stick is dropped. Be sure your eyes are closed. Repeat 9 more times an
Why are seeds an evolutionary advantage for seed plants?
Seeds offer the embryo protection, nourishment, and a mechanism to maintain dormancy for tens or even thousands of years, ensuring that germination can occur when growth conditions are optimal. Seeds therefore allow plants to disperse the next generation through both space and time.
Pls mark as brainliest answer if it helps you
Answer:
C. Seeds protect the plant embryo and its food source
Explanation:
took the test
What are some environmental advantages of building green? (Site 1)
Answer: Hope this helps.
Explanation:
How did the geographic distribution of religions in Europe in the 17th century impact colonies in the Americas?
OA. It led to each South American colony being made up of Protestant colonists.
OB. It led to each North American colony being made up of Catholic colonists.
OC.
It led to each colony having colonists that mostly followed a single religion
D.
It led to each colony having a government ruled by religious leaders.
h
Answer:
It led to each colony having colonists that mostly followed a single religion. Can I get brainliest please!!
Explanation:
Mom has heterozygous Type B blood. Dad has heterozygous Type A blood. What is the probability of them having a child with Type O blood? Use the Phenotype/Genotype chart to do a punnett square cross. )
0%
25%
50%
75%
Answer: The answer is 50% percent
Explanation:
The parents type mixes and creates an O or a different blood type.
If you placed blood tissue in a hierarchy pyramid, what hierarchical levels would go directly above and
below it?
O
Above: cardiovascular system
Below: heart
Above: heart
Below: organ system
Above: heart
Below: red blood cells
Above: cardiovascular system
Below: red blood cells
If you were to place blood tissue in a hierarchical pyramid, the hierarchical levels would be directly Above: cardiovascular system, Below: heart
What is the cardiovascular system?The cardiovascular system is made up of the heart and blood vessels. The heart works like a pump, allowing blood to be pumped. Arteries are blood vessels that carry blood from the heart to the body. Veins are blood vessels that ensure the return of blood to the heart.
With this information, we can conclude that if you were to place blood tissue in a hierarchical pyramid, the hierarchical levels would be directly Above: cardiovascular system, Below: heart
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Laurie, after only 6 months gives birth to a daughter, allison. what are three complications that might be present in allison?
The 1918 Influenza epidemic killed between 50 million and 100 million people worldwide. The epidemic happened near the end of World War I. More people died from the influenza epidemic than from the war. Which of the following explains why this virus was so deadly worldwide?
The following explains why this virus was so deadly worldwide was the cause of its worldly The 1918 Influenza epidemic killed among 50 million and a hundred million humans worldwide.
Which of the subsequent explains why this virus become so lethal worldwide?In the United States, the flu's toll become a good deal lower: a 1. five percent decline in GDP and a 2.1 percentage drop in consumption. The decline in financial hobbies mixed with expanded inflation led to huge declines withinside the actual returns on shares and short-time period authorities bonds.
This become truly the case with the influenza pandemic of 1918-1919, which become one of the worst contagion crises withinside the records of humankind.
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Which act regulates the handling of
tailings from mining operations?
A. Endangered Species Act
B. Solid Waste Disposal Act
C. Occupational Health and Safety Act
Answer:
this is my answer The MMDR ActExplanation:
this my explanationThe MMDR Act empowers the central government to issue directions to the State governments to ensure sustainable development and exploitation of minerals to reduce adverse air, ground, water and ambient noise impactsAnswer: B. Solid Waste Disposal Act
Explanation:
Nondisjunction that leads to problems in offspring can occur in _____. meiosis II only mitosis meiosis I only meiosis I and II
Answer: The s cells
Explanation:
this is because meiosis in general can only happen in the presence of s cells
A(n) _________ is a device that converts substances like
hydrogen and oxygen to electricity.
A) compact fluorescent
B) energy efficient
C) hybrid vehicle
D) consumer
E) fuel cell
F) mandated
Answer:
Explanation:
Answer
A fuel cell works on the principal of converting hydrogen and oxygen to electricity. It works on the principle of breaking down the hydrogen into a proton and an electron. When electrons have passed through a passage (having created electricity) they are united with elements in the atmosphere producing heat and electricity and water.
What process governs the function of the respiratory surface?
"Now, gas exchange in the lungs refers to the movement of oxygen into the blood and carbon dioxide out of the blood. Oxygen and carbon dioxide move across what we call the respiratory surface, and that consists of an alveolar epithelial cell and a pulmonary capillary endothelial cell"
I did a search and I found this ... I don't know if it will help you, I hope so. If you like, go to my profile that I also need help. Thanks.
In multicellular organisms, which term tells the highest level of cellular organization?.
Answer:
The organism is the highest level of organization.
Which of the two sequences of rocks, a-d and e-g, was disturbed by crustal movements after its deposition?
Answer:
Sequence A-D was disturb by crustal movement after it was deposition. We have evidence in given cross section that sequence A-D was disturb by crystal movement just see above this sequence there is conglomerate bed which indicates it is uncomformity and that below uncomformity plane all beds are inclined so it clear evidence that sequence A-D got disturbance by crustal movement.
Explanation:
Sequence order and principal are given below.
one can order the event in any given cross section on the basis of apply some principal like order of super position, principal of cross cutting relationship, principal of inclusion, principal of original horizontality etc. Order of superposition tell us that if rock is undeformed then older rock would be at bottom and younger at top, principal of cross cutting relationship tell if some igneous body intruded in some rock layer so it mean that layer is older than age of intrusion.
How do Kepler’s laws describe planetary orbits?
1) Planets move in elliptical orbits with the sun at one focus.
2) Planets speed up when they are closer to the sun because of the sun's gravitational pull.
A (n) _______ is a jet of hot liquid or steam shooting out of earth’s crust.
A) biomass
B) ethanol
C) geothermal
D) geyser
E) peat
Answer:D) geyser
Hope this helps
When does the amount of photochemical smog peak?
a. dawn
b. midday
c. twilight
d. night
From what ive found it is morning and afternoon so I have no idea what to choose
Lichens are important to the environment because _____
A) they decompose carbon dioxide
B) they produce large amounts of oxygen
C) they recycle nutrients into the environment
D) All of the above
Answer:
D- all of the above
Explanation:
What three factors determine a person skin color?
Answer:
Melanin- Inside of Stratum Basale, yellow, brown, black made by melanocytes
Hemoglobin- Dermis capillaries create red from blood cells.
Carotene- Pigments colored yellow/orange.
Which of the following could be left out of an electrical circuit?
the power source
the switch
the wire
the resistor
Answer:
The resistor
Explanation:
The resistor could be left out of an electrical circuit. The other three are the main requirements.
hope this helps and is right!! p.s. i really need brainliest :)
How far is 1mile in feet
Answer: 5,280 Feet
Explanation:
1 Mile = 5,280 Feet
Pleasee help
how is climate change a feedback loop ?
Answer:
tbh i dont even know
Explanation:
Select the correct answer from each drop-down menu. when a cat drops from a tree to the ground, the conversion of takes place. then cat runs up behind a mouse to obtain its food. after eating its prey, the conversion of takes place inside the cat’s body.
The correct answer from each drop-down menu is gravitational force, potential energy to kinetic energy, and then conversion of chemical energy to mechanical energy take place in this order.
What are the forms of energy conservation?During the energy transformation steps, when there is no frictional dissipation, we say that energy is conserved. That is, all potential energy is transformed into kinetic energy, and vice versa. The sum of the kinetic and potential energies of a system is called mechanics.
In this case, When a cat drops from a tree to the ground follows the gravitational force, while the conversion of up behind a mouse to obtain its food is the process of converting potential energy to kinetic energy. And at last, after eating its prey, the conversion inside the cat's body takes place the chemical energy to mechanical energy.
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why do cells need to regulate what goes in and out of them?
For anyone who answers ill give points!
Answer:
B
Explanation:
facilitated diffusion requires an ATP, which means it DOES take up energy
23. An unknown solution is colorless when tested with phenolphthalein but causes the indicator phenol red to turn red. Use this information to find the approximate pH of this solution.
Phenolphthalein is a weak acid and is colorless in solution. It is generally used to find out the endpoint of titration. As the An unknown solution is colorless when tested with phenolphthalein but causes the indicator phenol red to turn red it indicates the pH of the solution is 8.0 or above.
What is phenol red?Phenol red is an indicator whose color can exhibit a gradual transition from color yellow to red.
Phenol red is actually a water-soluble dye as is used as a pH indicator, changing from yellow to red over pH 6.6 to 8.0.
Thus, it can be concluded that the pH of the given unknown solution is in range 8.0 or above.
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Identify the level(s) of protein structure present in this molecule. Select all that apply. primary secondary tertiary quaternary
The the levels of protein structure in the molecule would be tertiary and quaternary structures.
What are the levels of protein structure?The levels of protein structure are as follows:
primary secondary tertiary, and quaternary structuresThe primary structure is the peptide bonds of the amino acids.
The secondary structure is the alpha and beta helices.
Tertiary structure are folds in the protein structure.
Quaternary structure is the association of protein chains.
Therefore, the levels of protein structure in the molecule would be tertiary and quaternary structures.
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