List the two classes of sympathetic receptors and the neurotransmitter(s) each binds
What will be an ideal response?
The two classes of sympathetic receptors are the cholinergic and adrenergic receptors. The neurotransmitter acetylcholine (ACh) binds to cholinergic receptors while neurotransmitters norepinephrine or epinephrine bind to the adrenergic receptors.
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Following severe loss of blood, how long does it take for red blood cells to be replaced?
a. a few hours b. at least 1 day c. at least 1 week d. at least 1 month e. about 45 days
The collagenous fibers of dense _____ connective tissue are parallel and closely packed
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Select the correct statement about lymph transport
A) Under normal conditions, lymph vessels are very high-pressure conduits. B) Lymph transport is only necessary when illness causes tissue swelling. C) Lymph transport is faster than that occurring in veins. D) Lymph transport depends on the movement of adjacent tissues, such as skeletal muscles.
Distinguish between cellular and external respiration.
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