Pulmonary vein returns blood from the lungs into the of the heart

True or false. mucous membranes secrete mucus that traps pathogens.

Which word can describe a person's gender identity? a) female b) intersexual c) asexual d) androgynous

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