Why are americans eating more calories today than they did 40 years ago?

a. economy has improved.

b. portion sizes and calories counts have increased.

c. the government has relaxed food recommendations and guidelines.

d. people today aren’t as concerned with fitness as they once were.

True or false mucous membranes destroy pathogens on the outer body surface, at body openings.

Practice or pre-exercise theories of play pose the idea that a. play provides children with an opportunity to practice adult activities. b. play is necessary to reenergize human cognition. c. children have too much energy and play will rid them of that energy. d. children are the link between animals and human beings.

Where does peer pressure come from? a.the power of culture b.the influences of others c.people who purposely try harm you d.the messages in tv commercials