If skin was the gas exchange surface for humans, it would have sufficient surface area to support our need for oxygen.

Question

Quizplus · Accepted Answer

While the skin is involved in gas exchange to some extent (e.g. when we sweat, we release some carbon dioxide through our pores), it does not have the necessary surface area or specialized structure to support our need for oxygen. This function is carried out primarily by the lungs, which have a much larger surface area for gas exchange and are designed specifically for this purpose.

If Skin Was the Gas Exchange Surface for Humans, It