To elevate blood calcium levels, all of these must occur except
a. calcitonin is secreted by the thyroid gland.
b. less calcium is excreted in the urine.
c. parathyroid hormone is secreted by the parathyroid glands.
d. increased calcium is absorbed from the small intestine into the blood.
a. calcitonin is secreted by the thyroid gland.
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In fast-twitch oxidative-glycolytic fibers, their rapid increases in force rely on the ________ activity where rapid relaxation requires ________ activity.
What will be an ideal response?
A continuous, smooth contraction of muscle in which twitches are fully fused is referred to as ________.
Fill in the blank(s) with the appropriate word(s).
The thin segment of the nephron loop's descending limb ________
A) helps to pack a greater number of nephron loops into a smaller space B) aids in the passive excretion of nitrogenous waste C) is easily broken and replaced often D) aids in the passive movement of water out of the tubule
Starting at the superior end, the uterus in the female is divided into __________.
a. isthmus, body, and cervix b. fundus, body, and cervix c. body, cervix, and isthmus d. cervix, body, and isthmus