Your respiratory system transfers oxygen to your system

What creates an electric force field that moves electrons through a circuit? a. energy sourceb. loadc. metal wiresd. resistance

Why is it so important to have a lifetime commitment to training? a-it takes your entire life to become fit b-it keeps you from becoming bored c-you will lose strength and endurance once you stop exercising d-it increases your motivation in life

Checklists and rating scales can be used to monitor children’s developmental progress and to diagnose developmental delays. true false