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In order for you to hold your breath, your nervous system must send messages to your

A. Respiratory System
B. Digestive System
C. Heart in your cardiovascular System
D. check in your muscular System

User Jsshah
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2 Answers

3 votes

Answer:

your answer is A!

Step-by-step explanation:

User Fraxool
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4 votes

Answer:

A. Respiratory System

Step-by-step explanation:

User Drew Brasher
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