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Question 1

Explain the difference between breathing and cellular respiration

Answer 1

Breathing is a part of physiological respiration and functions to bring oxygen into the lungs and expel carbon dioxide. Cellular respiration is a chemical process by which energy is obtained within individual cells from biomolecules like glucose. In aerobic respiration, oxygen is used.

Question 2

What is peristalsis?

Answer 2

Peristalsis is the relaxation in the intestines that propels waste forwards