CIRCULATORY SYSTEM
-
It´s
like a transport system.
-
It
carries nutrients and oxygen.
-
It´s
made up of:
o
The heart
§ It´s a muscle
the size of our fist.
§ It´s in the middle of the chest.
§ It works day and night.
§ It pumps blood to every part of the
body.
§ When we exercise it beats faster.
o
The blood
§ It´s a red liquid.
§ It goes around the body.
§ It picks up nutrients and oxygen.
§ It drops off carbón dioxide and waste
products.
o
The blood vessels
§ They are thin tubes that go around
the body.
§ Blood travels through them to deliver
the nutrients and oxygen.
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