The left ventricle pumps blood into the
A) aorta.
B) pulmonary veins.
C) pulmonary arteries.
D) vena cava.
E) pulmonary semilunar valves.
A) aorta.
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Menopause:
A. is the cessation of menstrual cycles. B. results in high plasma levels of estrogens. C. occurs as a result of cessation of gonadotropin secretion. D. is the cessation of ovulation while a baby is nursing. E. is the pause in development of ovarian follicles occurring between the birth of a baby girl and when she reaches puberty.
The ________ tract and the ________ tract make up the pyramidal system.
A. corticospinal; corticobulbar B. reticulospinal; spinothalamic C. rubrospinal; reticulospinal D. corticobulbar; spinocerebellar
Bone growth in which the bone increases in diameter is called
A. endosteal growth. B. cancellous bone growth. C. epiphyseal growth. D. appositional growth. E. interstitial growth.
Starting at the spinal cord, the subdivisions of the brachial plexus are (in order) ________
A) divisions, roots, trunks, and cords B) trunks, divisions, cords, and roots C) roots, divisions, cords, and trunks D) roots, trunks, divisions, and cords