Question

What would happen if there is a deficiency of haemoglobin in our body?

Answer 1

If hemoglobin decreased then it means that your body does not have the ability to carry oxygen as efficiently as it should. You will feel dizziness, headache, fatigue and a general feeling or tiredness.
Other issues that arises are excessive sweating, vomiting, and persistent heartburn; however these are relatively rare.

Answer 2

Due to the deficiency of haemoglobin in blood, its oxygen carrying capacity decreases . As a result the production of energy by oxidation will become slower . One would fall sick and would feel fatigue most of the time .