When do you breathe faster?
When you do exercises
Why do you breathe faster when you do exercises?
Your lungs take in more air
Why do your lungs take in more air when you do exercises?
To give your body more oxygen
How can your heart move blood faster?
It can beat faster
What do the blood take for the muscles to use?
Oxygen and food
When do your body get hotter?
When you do exercises
Why do your body get hotter?
When you do exercises, your skin feels hot
What do you make when your skin feels hot?
Sweat
What will happen when your skin dries?
You cool down.
What do your muscles need to work well?
Oxygen
What exercises can make you healthy?
Walking, jogging, cycling, swimming
What exercise can you only do for a short time?
Hard exercises (running fast)
What type of exercise can make your muscles bigger and stronger?
Running fast
