Which type of fiber found in connective tissue provides the most strength (while still allowing flexibility)?
A. Collagen
B. Elastic
C. Reticular
D. Keratin
Answer: A
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Using Figure 17.2, match the following:
1) Atrial depolarization.
2) Point after which pressure begins to rise in the aorta.
3) Ventricular repolarization.
4) Point that represents the "dup" sound made by the heart.
You are studying for your physiology test with your lab partner. She insists that the purpose of the knee jerk reflex is to test for neural or muscular damage. State whether or not you agree with her, and why.
What will be an ideal response?
________ transport is required to move a substance across a membrane against a concentration gradient.
Fill in the blank(s) with the appropriate word(s).
Estrogen stimulates the up-regulation of progesterone receptors in the uterus to prime the uterus to respond to progesterone. what type of hormone interaction is this?
a) antagonistic b) permissive c) complementary d) synergistic