Relate the structure and operation of the mammalian heart to its function, including the major blood vessels. (Activities 1.3 and 1.4)

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Oxygenated and Deoxygenated blood:

  • The right side of the heart pumps blood to the lungs whilst the left side of the heart pumps blood to the rest of the body. 
  • If the blood starts by coming into the right atrium via the vena cava, it is deoxygenated.
  • It is then pumped into the right ventricle and


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