Which organ systems do you believe are most important for the human body? Include at least 2 reasons why.

The brain and the nervous system that attaches to the brain make up the most 2 critical organs in the human body.

Heart and Brain

Explanation:

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.

The heart is at the center of your circulatory system, which is a network of blood vessels that delivers blood to every part of your body. Blood carries oxygen and other important nutrients that all body organs need to stay healthy and to work properly.

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