________ free calcium from bone to maintain blood calcium levels
A) Osteoblasts
B) Osteocytes
C) Osteogenic cells
D) Osteoclasts
Answer: D
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The sympathetic preganglionic neuron cell bodies are housed in the ________ horn of the appropriate thoracolumbar regions of the spinal cord.
Fill in the blank(s) with the appropriate word(s).
The potential space between the ________ membranes is called the pleural cavity.
Fill in the blank(s) with the appropriate word(s).
A hormone is a secreted molecule that is carried in the bloodstream to where it acts on target cells that bear specific receptors for that hormone.
Answer the following statement true (T) or false (F)
When the receptor potential of the baroreceptors decreases, the cardiovascular center responds by bringing about an increase in
a. stroke volume b. venous return c. total peripheral resistance d. all of the above e. only a and b