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laiz [17]
3 years ago
12

If I hold my breath for 30 seconds, then my heart rate will increase or decrease?

Biology
2 answers:
cluponka [151]3 years ago
8 0

Answer:

Your heart rate will increase due to the lack of oxygen.

Hope this helps.

Explanation:

Marina86 [1]3 years ago
5 0

Answer:

Your heart rate will decrease.

Explanation:

By breathing in and holding your breath, you are further activating the PNS  (peripheral nervous system) causing a decreased heart rate which is also known as bradycardia. In addition, holding your breath will start to create a negative suction pressure in your thorax and will commence to inflate the organs.

→ Basically, your heart rate goes up more or your bodies processes are being used and when you exercise your muscles are being used -  this makes your heart rate go up. <em>However, when you hold your breath your heart rate steadily decreases because your lungs aren't be used and your body is trying to reserve the oxygen that you vitally need.</em>

I hope this is helpful!

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