Phasic receptors
A) are attune to parameters that the body must continuously assess.
B) once threshold is reached by a stimulus will always generate action potentials.
C) are quick to adapt to a particular stimulus intensity.
D) slowly decrease the frequency of action potentials generated to a constant stimulus.
C) are quick to adapt to a particular stimulus intensity.
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Development of lymphocytes involves (the)
A) colony-stimulating factors. B) lymph nodes. C) bone marrow. D) thymus. E) All of the answers are correct.
The heart is part of the ______ system
Fill in the blank(s) with correct word
Which of the following statements concerning solute movement in the loop of Henle is true?
A. Na+ and Cl? ions are actively transported into the vasa recta. B. Only Na+ diffuses from the descending limb. C. The osmolality of the descending limb decreases as filtrate moves through. D. Solutes are actively transported from the ascending limb. E. Water moves by osmosis out of the ascending loop.
Hematopoiesis is carried out in the:
A. osteoclasts C. yellow bone marrow B. osteocytes D. red bone marrow