Discuss why 3 500 calories is an important number for maintaining a healthy body composition

How is the structure of our circulatory system and respiratory system related to the function of both these systems?

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.

Avoiding excess salt and sodium may benefit a person’s health by