Answer:
Humanitarian nursing is nursing without limits. It involves everything Western nursing does and more, as nurses put their skills to use in places like conflict zones, refugee camps, or places where healthcare would otherwise be non-existent
Fat is A back up source of energy to fuel your work out and carbohydrates are not available
The measure of how well your heart gets oxygen rich blood to your muscle while you're exercising is called anaerobic fitness is the correct answer.
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I think the answer would be insecurity as he feels inferior to his peers in a specific area. He feels ashamed/embarrassed that he may not be as smart.