Which of the following is an example of improper form when walking at a fast pace?
1. focusing straight ahead
2. keeping the chin up
3. moving hips forward
4. tensing hands into a fist

The cardiovascular system, which transports blood through the body, is a one-way system. select the best answer from the choices provided. t f

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

Calvin is a 12-year-old boy. due to pressure from his friends, he has started consuming certain toxic materials that are addictive and harmful. calvin is a victim of what type of abuse? a. sexual b. substance c. physical d. emotional