Information about Circulatory System
Functions:
- delivers oxygen to cells and removes carbon dioxide from them
- carries nutrients from digested food to cells
- disposes of wastes and poisons that could harm the body (if present)
- helps protect body from disease
- transports hormones
- warms/cools the body
Main Organs:
- Heart
- Blood Vessels (not an organ but very important)
- Brain
- Lungs
An Interesting Fact:
- The Western Grey Kangaroo has the same circulatory system as humans.
- It takes a red blood cell 20 seconds to circulate through the body.
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