Which of the following best explains how a monkey is able to exchange gases with its environment and deliver oxygen throughout its body?
Choose 1 answer:
(Choice A) A monkey has cells whose genetic makeup can change depending on the circumstances, such as whether the animal is breathing in high or low-oxygen environments.
(Choice B) A monkey carries out gas exchange through a series of redundant systems, so if one system is injured, another will take its place.
(Choice C) A monkey has systems of specialized cells, such as those that make up the tissues in the respiratory and circulatory systems, that help it carry out these functions.