Answer:
A.
1. energy
2. nutrients
3. calories, water
4. metabolic rate
5. nutrients
6. weight and height
B.
1. protein, amino acids
2. viruses
3. carbohydrates, energy
4. fibers, glucose
5. fats
a. molecular
b. 'healthy'
Explanation:
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Capillaries have thin walls, only one cell thick, that allow them to effectively perform their function.
A. they are drugs or hormones used to prevent osteoporosis
