The Mammalian Heart (CIE IGCSE Biology: Co-ordinated Sciences (Double Award))
Revision Note
The Mammalian Heart
- The heart is labelled as if it was in the chest so what is your left on a diagram is actually the right hand side and vice versa
- The right side of the heart receives deoxygenated blood from the body and pumps it to the lungs
- The left side of the heart receives oxygenated blood from the lungs and pumps it to the body
- Blood is pumped towards the heart in veins and away from the heart in arteries
- The two sides of the heart are separated by a muscle wall called the septum
- The heart is made of muscle tissue which are supplied with blood by the coronary arteries
Structure of the heart
Exam Tip
Remember A-A: Arteries carry blood Away from the heart
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