Multiple choice

What is cutaneous respiration?

  1. Respiration in which gaseous exchange takes place through moist body surface

  2. Respiration in which O2 is obtained through thin body wall to blood vessels

  3. Respiration through gills

  4. Respiration through spiracles and a system of trachea and tracheoles
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In cutaneous respiration molecular oxygen penetrates through the skin and it is collected by the blood circulation that then distributes the gas to the tissues. Carbon dioxide is also collected from the tissues by the blood and taken to the skin to be eliminated to the environment. So, there is important participation of blood in cutaneous respiration.

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