(1) There ____ two hundred different bones in your body. Your skeleton (2) ____ the organs. Your heart (3) ____ blood, and your digestive system (4) ____ your food. The nervous system controls what your body does. (5) You breathe air through your lungs, and when (6) ____ eat, food goes to (7) ____ stomach. (8) Your body uses all of the nutrients of the food. The ____ controls your whole body and sends ____ to your muscles and nerves. When you exercise ____ , you breathe faster to get more ____ to your muscles. Your brain not only tells your ____ to move, it also tells your lungs to breathe ____ and your heart to beat faster.

Leaderboard

Visual style

Options

Switch template

Continue editing: ?