The amount of acceptable deviation from a standard, determined when the standard was established, is called the

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 true about vigorous intensity movements. playing single tennis or riding a bike on a hilly surface playing soccer riding bike on a flat surface playing double tennis or playing basketball all of the above

Which materials are part of a person’s body composition? select three options.1. fat2. supplements3. water4. protein5. medication