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IGCSEBiology: Co-ordinated Sciences (Double Award)CIERevision Notes9. Transport in AnimalsCirculatory Systems, Heart & Blood VesselsThe Mammalian Heart

The Mammalian Heart (CIE IGCSE Biology: Co-ordinated Sciences (Double Award))

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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, IGCSE & GCSE Biology revision notes

Structure of the heart

Examiner Tip

Remember A-A: Arteries carry blood Away from the heart

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    Lára

    Author: Lára

    Expertise: Biology Lead

    Lára graduated from Oxford University in Biological Sciences and has now been a science tutor working in the UK for several years. Lára has a particular interest in the area of infectious disease and epidemiology, and enjoys creating original educational materials that develop confidence and facilitate learning.