Gas exchange in animals always involves
A) cellular respiration.
B) breathing movements.
C) neural control.
D) diffusion between internal body fluids and the outside medium.
E) active transport of gases.

Question

Quizplus · Accepted Answer

Gas exchange in animals always involves diffusion between internal body fluids and the outside medium, which could be air, water, or soil depending on the animal's habitat. This allows for the exchange of oxygen and carbon dioxide, which are essential for cellular respiration to occur. Breathing movements and neural control may assist in gas exchange, but they are not always necessary. Active transport of gases is not typically involved in gas exchange in animals.

Gas Exchange in Animals Always Involves