Although it clearly has an effect upon the quality of life, there is no evidence to show that exercise prolongs ________.
Fill in the blank(s) with the appropriate word(s).
life expectancy
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Which of the following describes the drag created by a pressure differential between the lead and rear sides of a body moving through a fluid?
A. form drag B. profile drag C. surface drag D. both A and B above
________ refers to the factors that oppose blood flow in the entire cardiovascular system.
A) Turbulence B) Vascular resistance C) Total peripheral resistance D) Viscosity E) Elastic rebound
Match each term with its definition or description.
a. testes b. seminiferous tubules c. interstitial cells d. epididymis e. ductus deferens f. urethra g. seminal vesicles h. prostate gland i. corpora cavernosa j. corpus spongiosum 1. _____ A tightly coiled tube that lies on the top of and behind the testes 2. _____ Produces 60% of the seminal fluid and supplies the sperm with fructose 3. _____ Essential organ of the male reproductive system 4. _____ Carries sperm and allows them to pass out of the scrotum and into the abdominal cavity 5. _____ The penis contains one of this type of erectile tissue 6. _____ Structures responsible for the secretion of testosterone 7. _____ Produces a thin, milk-colored fluid that composes 30% of the seminal fluid 8. _____ Tube in which sperm cells develop 9. _____ The penis contains two of this type of erectile tissue 10. _____ Tube that leads sperm to the outside; also part of the urinary system
Yolanda, a yoga instructor, tells her class to stretch the muscles of the side of the trunk by instructing them to perform ________.
A. adduction B. extension C. lateral flexion D. elevation E. opposition