Thursday, August 20, 2009

Circulatory System

Hi Ms Coelho and friends,I am going to share with you about circulatory system.
The circulatory system works together with the respiratory system to supply
oxygen to all parts of the body.It consists of the heart ,blood and blood vessels.
Functions :
Maintain a constant flow of blood which helps in the delivery of oxygen,food and warmth to all parts of the body

Carries waste to be disposed from the body.

Heart ;
It pumps blood to all parts of the body.
Never stops working throughout our lives .
It works works more actively when we are involved in a physical actvity and less actively when we are sleeping or at rest

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