Check your understanding of concepts from 22·8–22·13 We extract energy and nutrients from food by answering the following questions.
1. In which digestive phase do energy-rich molecules actually enter the bloodstream and tissues of the body?
A. |
B. |
C. |
D. |
E. |
2. Why do birds eat gravel?
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B. |
C. |
D. |
E. |
3. A person who had their gall bladder removed might have difficulty in digesting which of the following components of their diet?
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B. |
C. |
D. |
E. |
4. The small intestine:
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B. |
C. |
D. |
E. |
5. Though essentially the same organ, humans are born with an appendix that is much smaller than a koala’s cecum. This is because:
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B. |
C. |
D. |
E. |
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