The difference between the systolic and diastolic pressures is called the
A) mean arterial pressure.
B) systemic pressure.
C) circulatory pressure.
D) pulse pressure.
E) blood pressure.
D) pulse pressure.
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The tough structure that surrounds the heart and helps reinforce and maintain position of the heart is the
A) mediastinum. B) epicardium. C) pericardial sac. D) pleural cavity. E) aorta.
Using Internet connectivity as an analogy, the nervous system is generally described as a(n) ____________________ system
Fill in the blank(s) with correct word
What is NOT a true statement concerning the vagina?
A) The vagina serves as the birth canal. B) The distal end of the vagina is partially enclosed by the hymen. C) The vagina is the female organ of copulation. D) The innermost lining of the vagina sloughs off periodically. E) The vagina is situated between the rectum and urinary bladder.
Which of the following glands is correctly matched with its function?
A. seminal vesicles - provide nutrients for sperm B. prostate - lubricates the penis during intercourse C. bulbourethral glands - produce a thin, sweet fluid D. testes - produce most of the semen E. prostate - contributes most of the fluid