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| 1 | |
Why do multicellular organisms have materials-exchange problems? |
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| 2 | |
List the functions of the salts and proteins found in the plasma. |
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| 3 | |
What are the functions of the heart, arteries, veins, arterioles, blood, and capillaries? |
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| 4 | |
How do red blood cells assist in the transportation of oxygen and carbon dioxide? |
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| 5 | |
What purposes are served by the lymphatic system? |
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| 6 | |
List the organs of the lymphatic system, and describe the function of each. |
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| 7 | |
Describe the muscles involved in breathing and how they cause air to flow into and out of the lungs. |
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| 8 | |
How are CO2, blood pH, and breathing rate interrelated? |
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| 9 | |
How does each of the following affect the efficiency of gas exchange in the lungs: poorly functioning heart, contracted bronchioles, reduced number of alveoli? |
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| 10 | |
Describe three ways in which the digestive system increases its ability to absorb nutrients. |
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| 11 | |
List three functions of the liver. |
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| 12 | |
Name five digestive enzymes and their functions. |
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| 13 | |
What is the role of bile, saliva, enzymes, and hydrochloric acid in digestion? |
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| 14 | |
How is fat absorption different from absorption of carbohydrate and protein? |
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| 15 | |
What is the function of the glomerulus, proximal convoluted tubule, loop of Henle, and distal convoluted tubule? |
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| 16 | |
Describe how the kidney regulates the amount of water in the body. |
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