What happens in your What happens in your body?body?

When you move or practise a physical When you move or practise a physical activity many things happen in your activity many things happen in your body.body.

Your heart: gets Your heart: gets bigger and beats bigger and beats slowly; it becomes slowly; it becomes stronger and send stronger and send a grater quantity a grater quantity of blood around of blood around your body.your body.

Blood:Blood:

Your blood: Your blood: becomes more becomes more fluid, your arteries fluid, your arteries get larger; get larger; muscles and muscles and organs receive organs receive more oxygen.more oxygen.

Muscles:Muscles: Your muscles: Your muscles:

become longer if become longer if you practise an you practise an endurance sport endurance sport and bigger if you and bigger if you make intense make intense efforts several efforts several times.times.

Bones:Bones: Your bones: are Your bones: are

more dense and more dense and thick than those of thick than those of other people who other people who don’t practise don’t practise sports.sports.

Progetto Progetto ComeniusComenius

A.S.2011/2012A.S.2011/2012 Classe II HClasse II H