Fact 1: Endocrine hormones travel throughout the body in the blood. Fact 2: Breathing affects the flow of hormones through the endocrine system. Given the two facts above, what process helps hormones travel throughout the body in the bloodstream?
Options: (a). hydration (b). mitosis (c). sleeping (d). sweating (e). oxygen (f). allow growth (g). eating (h). breathing
Answer:
(h).