Deafness caused by loud sounds often results from damage to which receptor cells?

Does anyone have an answer to this question? if so me.

Which of the following statements is true about body composition? a. body composition is the percentage of fat to lean body mass. b. body composition is a measure of one's body weight. c. body composition is a measure of one's essential body fat. d. body composition is not a good indicator of overall health. select the best answer from the choices provided. a

If you are having a hard time lifting something, you should arch your back. a. true b. false