Indifferent gonads develop into testes under the influence of _________.
A) androgens.
B) peptide or protein hormones.
C) estrogens.
D) None of the answers are correct.
D) None of the answers are correct.
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Circulation can be split into two systems: ________ circulation, from the heart to the lungs and back to the heart, and ________ circulation, from the heart to the body tissues and back to the heart.
A. pulmonary; systemic B. systemic; pulmonary C. arterial; venous D. venous; arterial
Prolonged vomiting of stomach contents will result in
A. metabolic acidosis. B. metabolic alkalosis. C. respiratory acidosis. D. respiratory alkalosis. E. None of these choices is correct.
Within the PNS, a neuron will regenerate only if:
A) the surrounding neuroglia regenerate first. B) scar tissue is removed by phagocytosis. C) the neuron was myelinated. D) the cell body remains intact.
The acetabular ________ is a lip of connective tissue that deepens the socket of the hip and helps stabilize the joint.
Fill in the blank(s) with the appropriate word(s).