The point in a muscle twitch when the troponin is bound to calcium is called the
A) contraction phase.
B) relaxation phase.
C) stimulus phase.
D) latent period.
E) isotonic period.
A
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In human reproduction, once conception and successful implantation have occurred,
A) CG secreted by the placenta simulates the activity of LH. B) The corpus luteum continues progesterone and estrogen secretion for the first trimester. C) The placenta eventually assumes the production of progesterone and estrogen. D) All of the above
Which of the following is NOT a function of hydrochloric acid in the stomach?
a. activating pepsin b. killing microorganisms c. facilitating protein digestion d. breaking down disaccharides into monosaccharides
The primary organs of the female reproductive system are the uterus and vagina
Indicate whether the statement is true or false
Which of the following glands or organs produces hormones that tend to decrease blood calcium levels?
parathyroid pineal gland spleen --> thyroid.