What is the function of hydroxyapatite in bone?
A. Soften the matrix.
B. Harden the matrix.
C. Hydroxyapatite has no function in bone tissue.
D. Make the matrix flexible.
Answer: B
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When an action potential passes over the surface of a synaptic knob, the contents of the
vesicles are released in response to the presence of A) neurotransmitters. B) calcium ions. C) neuropeptides. D) sodium ions.
The release of breast milk that occurs when a mother hears a crying child is called the milk ________ reflex
Fill in the blank with correct word.
The visceral epithelium, which covers the glomerular capillaries of the glomerular capsule, consists of
A) capillary endothelium. B) lamina densa. C) podocytes. D) the basement membrane of the capillaries. E) capsular space.
Graves' disease is a condition in which some of the body's antibodies mimic thyroid-stimulating hormone and cause overactivity of the thyroid gland. What consequences would this have for neurons in the body, and how would metabolic rate be affected? Would you expect someone with Graves' disease to feel chillier or warmer than someone who was unaffected?
What will be an ideal response?