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Circulatory and Respiratory Systems

Animals are complex multicellular organisms that require a mechanism for transporting nutrients throughout their bodies and removing wastes.

1. Circulatory and Respiratory Systems

Circulatory and Respiratory Systems

2. Circulatory and Respiratory Systems (2)

Circulatory and Respiratory Systems (2)

3. Circulatory and Respiratory Systems (3)

Circulatory and Respiratory Systems (3)

4. Circulatory and Respiratory Systems (4)

Circulatory and Respiratory Systems (4)

5. Circulatory and Respiratory Systems (5)

Circulatory and Respiratory Systems (5)

6. Circulatory and Respiratory Systems (6)

Circulatory and Respiratory Systems (6)

7. Circulatory and Respiratory Systems (7)

Circulatory and Respiratory Systems (7)

8. Circulatory and Respiratory Systems (8)

Circulatory and Respiratory Systems (8)

9. Circulatory and Respiratory Systems (9)

Circulatory and Respiratory Systems (9)

10. Key terms check

Which key term matches this definition?

a digestive juice produced by the liver; important for digestion of lipids

11. Key terms check

Which key term matches this definition?

a mass of food resulting from chewing action and wetting by saliva

12. Key terms check

Which key term matches this definition?

a portion of brain that connects with the spinal cord; controls basic nervous system functions like breathing and swallowing

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