Question

name the respiratory organ of hydra​

Answer 1

Answer:

Hydra has no specialized organs for respiration. The exchange of gases occurs through the entire body surface. This body surface remains in contact with water. ... The exchange of gases also takes place through the cells lining the digestive cavity.

Answer 2

Answer:

Hydra lack specialized respiratory system. Respiration occurs in Hydra by means of diffusion. Hydra has only 2 cell layers, so its body is thin enough to allow for diffusion.