______ makes the different parts of your body work well.
Brain
The clear, salty liquid that you pass through your skin, when you exercise
sweat
______ are paired organs in the chest
Lungs
When you exercise, your ______ get bigger and stronger.
muscles
What does a stomach and intestines do?
Break down the food that you eat
two bean-shaped organs in the body that remove waste matter
kidneys
When people eat too much and exercise too little they normally get ...
overweight
What does a heart do?
It beats and moves blood to the muscles.
A chemical element that is a gas with no smell or colour, it forms a large part of the air on earth, and is needed by animals and plants to live. When you breathe, you get ________.
oxygen
To stay healthy and strong, especially as a result of exercise
to keep fit
A large organ in the body that cleans the blood
a liver