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what are some examples of diffusion in living organisms

Sagot :

Answer:

Oxygen and carbon dioxide, dissolved in water, are exchanged by diffusion in the lungs:

  • oxygen moves down a concentration gradient from the air in the alveoli to the blood.
  • carbon dioxide moves down a concentration gradient from the blood to the air in the alveoli.

Answer:

oxygen moves down a concentration gradient from the air in the alveoli to the blood.

carbon dioxide moves down a concentration gradient from the blood to the air in the alveoli.

Explanation: