1. How will darkness affect melatonin secretion? Choose the best answer.
2. Which of these organs secretes glucagon?
3. Which of these organs contains the pyloric sphincter?
4. A lack of Aldosterone will result in which of the following conditions?
5. Which of these statements about the autonomic nervous system is true?
6. What is the role of the pancreas within the endocrine system?
7. Where is the pituitary gland located?
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