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PLEASE HELP I CAN NOT FAIL THIS TEST I REALLY NEED HELP ASAP Which of the body's systems directly tells the heart when to beat? OA. the circulatory system OB. the nervous system OC. the respiratory system
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PLEASE HELP I CAN NOT FAIL THIS TEST I REALLY NEED HELP ASAP

Which of the body's systems directly tells the heart when to beat?
OA. the circulatory system
OB. the nervous system
OC. the respiratory system
OD. the digestive system

User Jeffrey Vaughan
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1 Answer

10 votes

Answer:

OB. the nervous system

Step-by-step explanation:

The Medulla Oblongata helps to regulate important functions such as heartbeat and breathing.

User Kundan Kumar Mourya
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