You are viewing a vessel through the microscope and note the presence of valves. In what direction would blood flowing as it moves through this vessel?
A) Toward the heart
B) Away from the heart
C) Toward the pulmonary capillaries
D) Toward the systemic capillaries
Answer: A
Anatomy & Physiology
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The sympathetic division of the ANS has
A. long postganglionic axons. B. norepinephrine as a transmitter substance. C. preganglionic neuron cell bodies in the T1-L2 regions of the spinal cord. D. Two of the choices are correct. E. All of the choices are correct.
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Which of these blood hormone levels reaches its maximum during the luteal phase?
A. Estradiol B. FSH C. Progesterone D. LH E. GnRH
Anatomy & Physiology