IGCSEBiologyCambridge (CIE)Revision Notes9. Transport in AnimalsCirculatory Systems, Heart & Blood VesselsThe Mammalian Heart

The Mammalian Heart (Cambridge (CIE) IGCSE Biology)

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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 Marie McIvor

    Author: Lára Marie McIvor

    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.

    Lucy Kirkham

    Author: Lucy Kirkham

    Expertise: Head of STEM

    Lucy has been a passionate Maths teacher for over 12 years, teaching maths across the UK and abroad helping to engage, interest and develop confidence in the subject at all levels.Working as a Head of Department and then Director of Maths, Lucy has advised schools and academy trusts in both Scotland and the East Midlands, where her role was to support and coach teachers to improve Maths teaching for all.