Are nutrients that are needed for growth and repair of body tissue 1. carbohydrates 2.fats 3.fiber 4.proteins

Mucous membranes.. a. cover or line external surface of body. b. line internal body surfaces that are in contact with the environment. c. produce antibodies to combat infection. d. secrete sweat, which has antibacterial enzymes.

Which of the following is a health risk associated with ground-level ozone? a. cataractsb. skin cancerc. respiratory illnessd. all of the above

The food you eat is your a. nutrition b. diet c. physical health d. health