Question

in simple organisms, exchange of gases and excretion occurs through.​

Answer 1

Explanation:

In animals, gas exchange follows the same general pattern as in plants. Oxygen and carbon dioxide move by diffusion across moist membranes. In simple animals, the exchange occurs directly with the environment. ... Hemoglobin binds loosely to oxygen and carries it through the animal's bloodstream

Answer 2

Answer:

In animals, gas exchange follows the same general pattern as in plants. Oxygen and carbon dioxide move by diffusion across moist membranes.

In simple animals, the exchange occurs directly with the environment. ... Hemoglobin binds loosely to oxygen and carries it through the animal's bloodstream.

Explanation:

We comes under simple animals