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The diagram below shows a vertical section through a mammalian heart.

      

The diagram below shows a vertical section through a mammalian heart.
Biology5220952.jpg
a) Name the parts labeled A, B, E and F.
b) Give a reason why the wall of chamber C is thicker than chamber D

  

Answers


John
a) A - pulmonary vein

B- left atrium/ auricle

E - tricuspid valve

F - Pulmonary artery

c) The left ventricle 'C' pumps blood for longer distance to all parts of the body, while the right ventricle 'D' pumps blood to a shorter distance/ to the lungs. Therefore the left ventricle has thicker walls to generate and exert more pressure to push blood for longer distances
johnmulu answered the question on May 3, 2017 at 07:06


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