(Someone please help me) When muscles are active, cells use nutrients and oxygen at a higher rate and produce waste chemicals and heat more quickly. Describe how the interaction of two or more body systems helps to maintain homeostasis during periods of high muscle activity.

An increased pulse rate indicates that a person has an increased heart rate and a faster flow of blood. When muscles are active, cells use nutrients and oxygen at a higher rate and produce waste chemicals and heat more rapidly.

Explanation:

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chemical digestion occurs in the stomach were hcl and pepsin forms chyme, the mouth in which salivary amylase breaks down starch to form bolus, and the small intestine specifically the duodenum.