What is the Circulatory system used for in your body?
Moving and distributing blood around your body
To make circles with your blood?
So your brain can get smarter
You need it to eat food
Why does your blood need lungs?
Because air has blood in it
Your lungs dont need blood
I DONT KNOW
I needs to collect oxygen from your lungs to carry throughout your body
Which one is true
Blood is white and red
High blood pressure is also called Hypertension
Trees inhale oxygen and exhale carbon dioxide
The adverage persons heartbeat, beats around 30 thousand times a day
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