You could drown by such a small amount of water during certain circumstances that doing stuff in or around water alone increases risk of harm. There wouldn’t be anyone that could pull you from the water, do CPR, call an ambulance, protect you and try to keep you warm.
It doesn’t matter if you’ve done it a hundred times, there is always a risk.
Answer:
Transport of nutrients, oxygen, and hormones to cells throughout the body and removal of metabolic wastes (carbon dioxide, nitrogenous wastes).
Explanation:
See above.
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