Lack of oxygen: Necessitates increased heart rate to deliver whatever oxygen is in the system.
Answered 10/23/2017
5.2k views
Multiple factors: The natural response to stress of any kind is the release of the bodies stress chemicals, which include adrenalin, that speeds the heart to posh blood flow. Oxygen hunger can drive the stress response and an automatic increase in breathing rate to get more oxygen.
Answered 10/25/2017
503 views
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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