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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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
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.