Why is the adrenal medulla considered to be a modified sympathetic ganglion?
What will be an ideal response?
Preganglionic sympathetic fibers entering the adrenal gland proceed to the adrenal medulla, where they synapse on neuroendocrine cells that release the neurotransmitters norepinephrine and epinephrine into the bloodstream causing sympathetic effects body wide.
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Destruction of the hematopoietic components of red marrow leads to a condition called ________.
Fill in the blank(s) with the appropriate word(s).
In the spleen, red pulp is involved in the immune functions and white pulp is involved in disposing of worn-out RBCs
Indicate whether the statement is true or false
Chinchillas clean themselves by ____________
Fill in the blank(s) with correct word
Abnormal heart rhythms are called ________.
A. arrhythmias B. sinus rhythms C. bradycardias D. tachycardias