How does the skin work closely with the skeletal system?
A. It protects against infection.
B. It produces sweat.
C. It produces vitamin D.
D. It stores fat.
Answer: C
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Using the figure below, identify the labeled part.
1 Label A: ______________________________
2 Label B: ______________________________
3 Label C: ______________________________
4 Label D: ______________________________
5 Label E: ______________________________
6 Label F: ______________________________
7 Label G: ______________________________
8 Label H: ______________________________
9 Label I: ______________________________
10 Label J: ______________________________
11 Label K: ______________________________
Hormones acting in the small intestine include
a. secretin and cholecystokinin b. secretin and gastrin c. cholecystokinin and gastrin d. all of the above e. none of the above
Which gland does NOT produce reproductive hormones?
A. Thyroid B. Ovaries C. Testes D. Pituitary gland E. Placenta
Which of the following statements is true?
a. during ventricular systole, the papillary muscles contract to keep the AV valves shut and prevent them showing up into the atria b. if you increase ESV, then you will increase SV c. If you increase heart rate, then you will increase SV d. none of the listed statements is true