A Hummingbird flies from flower to flower and its heart beat is fast.A hummingbird is a small animal.An elephant tramples trees while walking through a forest and its heart beat is slow.An Elephant is a large animal.
A little fish that swims in the ocean has a faster heart rate than a larger fish that swims in the ocean.Both are fish that swim in the ocean.
A baby animal of same kind as the parent has a faster heart beat than the parent of the animal of the same kind.The only difference is that one is smaller or larger than the other.
They are all normal.
The heart of a baby human beats at a faster rate than the heart of an adult human.They too are normal for each.Why then are adult humans of different sizes and shapes expected to have the same heart beat rate in order to be called normal?
If an adult human changes its situation and works as hard as a hummingbird, its heart beats faster. It would still be normal.When a human changes its situation and swims like a fish, the heart beats faster.Is it still normal?
And try as we might to reduce heart pressure through pills and interventions so as to meet the accepted “normal” as stated by textbooks and medical doctors, the body is already producing a heart rate that IS normal for the situation.The body KNOWS what is normal for its unique situation, just as it KNOWS what is normal based on human size or human level of activity.
What would happen to the hummingbird if we gave it a pill to lower its heart rate?
Why do we think humans are any different?
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