Which factor affects the heart rate in mammals?
Asked by maham237 @ in Biology viewed by 291 People
Which factor affects the heart rate in mammals?
RBC count in blood
Blood type
Need for oxygen
Answered by maham237 @
I think the correct answer from the choices listed above is the last option. It is the need for oxygen that affects the heart rate in mammals. Depending on the needs of these organism, the oxygen needed for the processes inside the body varies which then affect the heart rate.
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