organ system involved to heart and brain​

Answer:

The cardiovascular system and blood vessels

Explanation:

the cardiovascular system includes the heart (cardio) and blood vessels (vascular). The cardiovascular system is responsible for pumping and circulating the blood.

ANSWER :

CIRCULATORY AND NERVOUS STYSTEM

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PARTS/ORGAND OF CIRCULATORY SYSTEM

1) Heart

2) Blood vessels

3) Blood

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PARTS/ORGANS OF NERVOUS SYSTEM

1) Brain

2. Spinal cord

3) Nerves

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