Blood helps regulate the pH and the temperature of the body.
Answer the following statement true (T) or false (F)
True
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The secretion of ________ by nurse cells suppresses FSH release from the anterior pituitary.
Fill in the blank(s) with the appropriate word(s).
How much oxygen does atmospheric air have?
a. 15% b. 17% c. 19% d. 21% e. 25%
Which is not correct regarding nephrons?
A. The renal corpuscle includes the glomerulus and the glomerular capsule. B. Eighty-five percent of nephrons are cortical nephrons. C. The nephron is the functional filtration unit in the kidney. D. The renal tubule is composed of the proximal convoluted tubule, nephron loop, and distal convoluted tubule. E. The renal corpuscle may be located in the renal cortex or renal medulla.
When a rod located in the retina is stimulated by light,
A) the cell depolarizes. B) the inactive form of retinal associates with bleached opsin. C) the release of neurotransmitter increases. D) the activity of transducin decreases. E) the intracellular concentration of cGMP decreases.