Why is blood sent to the lungs at low pressure?

  1. So that it goes faster
  2. To avoid damaging lung capillaries and allow gas exchange
  3. Because veins are weak
  4. Because the lungs are far from the heart
Answer

B) To avoid damaging lung capillaries and allow gas exchange

Low pressure protects lung capillaries. O Level Biology · Topic 11 Transport in Humans · 11.1 Circulatory system

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