The main organ of the respiratory system is the

Me with this i need to get the answer quickly.

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

Aperson has had a good _ of life if they are still at the age of 95.