They have different body parts
Answer: True
Explanation:
"Protein has many roles in your body. It helps repair and build your body's tissues, allows metabolic reactions to take place and coordinates bodily functions. In addition to providing your body with a structural framework, proteins also maintain proper pH and fluid balance"
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Im guessing the answer is a because sometimes the air quality is not good for you to in hale
The answer is...
B) To ensure that you are constantly engaging your body in a way that improves its function