What is the answer to this question? a: b b: c c: a

Which of these is most likely to prevent pregnancy? a. tracking of female body temperature to identify ovulation times b. proper condom use c. male withdrawal before ejaculation d. proper spermicide use

When you have proper posture, your back is arched. a. true b. false

Stasis of blood flow from immobility injury to a vessel or predisposition to clot formation increase the risk of