Explain the relationship between the respiratory system and the cardiovascular system.

Fats contain how much more energy than carbohydrates and protein?

Outdoor and indoor equipment must include a. only toys that are soft. b. equipment that is age-appropriate and developmentally appropriate. c. areas that allow children to play together. d. high toys that allow children to practice gross motor skills.

Cancer is 100% preventable if you follow all the necessary healthy behaviors. true or false