Doing a warmup before exercise is important because it a. decreases body temperature. b. increases blood flow throughout the body. c. increases the chance of injury. d. slows down heart rate.

Arm circles are often effective dynamic stretches for swimmers because they

Which of the following human diseases is caused by a virus that requires reverse transcriptase to transcribe its genome inside the host cell? a) herpesb) aidsc) smallpoxd) influenza

Which of the following represents the greatest risk factor for a stroke? a. high glucose levels b. low glucose levels c. low blood pressure d. high blood pressure select the best answer from the choices provided. a b c d