Question

Teachers often say it's oxygen that enters our body and helps in breakdown of food to form energy.
We know that air is composition of different gasses so, if only oxygen enters our body then where do all other gasses go which are also present in air?

Answer 1

Answer:

We breathe in air composed of different gases.Thats true.

But only oxygen is transported from lungs to all part of body by Red blood cells by help of haemoglobin