Doing exercise stored chemical energy is converted to energy that can be used for

muscle movement

bone development

ligament repair

blood vessel dilation

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 situational condition decreases the chances of crimes?

The only infectious disease that was a top-ten killer of americans in 1900 that is still a top-ten killer in 1990 is hiv/aids select one: true false