How our body works...? Respiratory, circulatory and excretory systems

Our respiratory and circulatory systems move oxygen thorugh our bodies. This is a part of nutrition.

The respiratory system allows us to get oxygen from the air.

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The circulatory system sends blood from the heart to all parts of our body.

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The excretory system helps us get rid of waste products.

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The Respiratory and Circulatory Systems

 These two systems move oxygen through our bodies. This is part of nutrition.

         How does it work the RESPIRATORY SYSTEM?

and the CIRCULATORY SYSTEM? Explore the heart...