Why animals need a transport system, the blood and its functions, clotting, types of circulation, the heart and heartbeat, blood vessels and lymph.
In these notes
- Why transport is needed
- Blood
- The heart
- Blood vessels
- Double circulation
- Tissue fluid and lymph
- How blood protects the body
- How blood clots
- Types of circulation
- The heartbeat
- Vessels to the organs
- Worked theory answer
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