Camels are perfectly adapted to desert conditions because
a. they can tolerate up to 30% loss of body water without any severe consequences.
b. they can slow down their metabolism when dehydration causes hypertonicity of ECF.
c. they have the ability to maintain plasma volume at the same homeostatic range even when the interstitial fluid becomes hypertonic.
d. their body cells do not go into osmotic shock when they drink water rapidly after prolonged dehydration.
e. all of these.
E
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The type of muscle cell that lacks transverse tubules, has a single nucleus, and is under involuntary control is
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What will be an ideal response?
________ cells in the respiratory mucosa secrete mucus.
Fill in the blank(s) with the appropriate word(s).