• The lungs in more air, giving us more oxygen.
• the heart works harder to get more blood and oxygen to the parts of the body that are working.
• The heart and muscles become larger, stronger and fitter.
• Weight-bearing exercise like running, skipping and hopping help to develop strong bones.
• food is processed more effectively and waste products are more quickly removed, leaving the body feeling more comfortable.
• The skin, hair and eyes look better because the "inside" is healthy.
• Improved muscle tone gives the body a better shape and posture.
• chemicals are released into brain which make us feel happy. These are called andorphins. They make us feel more confident and improve our self-esteem.
• We sleep better.
• Strength, stamina and suppleness are improved.