Answer:
While your heart is a vital organ, the brain (and the nervous system that attaches to the brain) make up the most critical organ system in the human body. The human nervous system is responsible for coordinating every movement and action your body makes.
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Explanation:
Lifting weights is safe for kids, provided they are mature enough to follow instructions and use proper technique
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Even though coal is one of the best ways to produce energy, it is also one of the most harmful. Breathing coal fumes can cause cancer and sometimes lead to certain death.
Answer:
A
Explanation:
intravenous drugs touches the cancer because it shrinks
