Whales and seals prepare for a dive by
A) Storing excess blood in the liver for later use.
B) Sequestering high levels of intracellular calcium to buffer pH changes.
C) Saturating myoglobin stores with oxygen.
D) All of the above
Answer: C
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Vasopressin
a. secretion is stimulated by a water deficit. b. increases the permeability of the distal and collecting tubules to water. c. increases the permeability of the late portion of the collecting tubule to urea. d. both (a) and (b) above. e. all of these answers.
© McGraw-Hill Education/Rebecca Gray, photographer.This is a lateral view of the brain. What does "C" represent?
A. Frontal lobe B. Occipital lobe C. Parietal lobe D. Cerebellum E. Temporal lobe
Which of the following organs is both an exocrine and an endocrine gland?
A) Thyroid gland B) Adrenal glands C) Pituitary gland D) Pancreas
A 57-year-old female has recently been diagnosed with overproduction of red bone marrow, which has been causing significant bone pain. Which of the following bones is likely to be involved?
A) tarsals B) vertebra C) metacarpals D) patella