Transport in Animals

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  • Created by: jenny
  • Created on: 23-05-16 12:10

1. What is not a way that co2 is transported in the blood?

  • Dissolved in plasma 5%
  • Bound to the membrane of leucocytes
  • Carbon dioxide can also bind to the amino groups on plasma proteins
  • Binding with heamoglobin to make carbaminohaemoglobin 10%
  • Transported as hydrogen carbonate ions HCO3- (disolved in plasma) 85%
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2. Which of these statements are not correct?

  • The left ventricle wall is the thickest because it has to pump blood to the rest of the body
  • The right ventricle wall is the the thickest because it has to pump blood to the lungs
  • Atria walls are the thinnest because most of the blood moves down by gravity
  • The septum separates the right side of the heart from the left

3. Which of these is not used in the electrical conduction of the heart.

  • Atrial ventricular node
  • Atrio-ventricular valves
  • Sino-Atrial node
  • Purkinje Fibres

4. What is not a reason that transport systems are needed?

  • Activity- Very active animals need more nutrients and oxygen and at a higher rate
  • Breadth- Animals may have a large surface area so need more oxygen to get trough as there is too much space to fill
  • Size- Too big and all the nutrients would be used by the cells in the outer layers
  • SA:V - Important cells deep in the body cannot get to the oxygen as the surface area is too small

5. What is not found in the left side of the heart?

  • Pulmonary Artery
  • Pulmonary Vein
  • Aorta
  • Left Atrium

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