Question

what is the reason for fatigue when the hemoglobin level in blood is low?​

Answer 1

Answer:

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If you have anemia, your hemoglobin level will be low too. If it is low enough, your tissues or organs may not get enough oxygen. Symptoms of anemia -- like fatigue or shortness of breath -- happen because your organs aren't getting what they need to work the way they should.

Answer 2

The reason of fatigue is when your hemoglobin level is low,your tissues or organs may not get enough oxygen.

Symptoms:

Like fatigue or shortness of breath will happen because your organs aren't getting need to work the way.