1. A fish heart has only two chambers: a single atrium and a single ventricle. Which of the following is a reason fish do not need a 4-chambered heart?
2. Correctly identify the zone of the adrenal cortex that releases cortisol:
3. Which enzyme is the primary digestive enzyme in human saliva?
4. When scientists compared the pineal glands of two birds, one nocturnal and the other diurnal, they noticed that the pineal gland of the nocturnal bird was smaller and less connected. Which hypothesis below supports this finding?
5. If your pituitary gland was removed, what would happen to CRH production in the Hypothalamus? (Look at the graphic of the relationship between the pituitary and hypothalamus for help.)
6. When doctors measure your blood pressure, they take two measurements. One is higher pressure, while the other is lower pressure. How does this correspond to the cardiac cycle?
7. What would be a consequence of removing the prostate gland from an otherwise healthy male?
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