Question

We breathe oxygen and we release carbon dioxide. So where does carbon dioxide come from? How does it settles in our body? Although we breate only oxygen from where do we get carbon dioxide in our body?

Answer 1

Answer:

In the tiny capillaries of the body tissues, oxygen is freed from the hemoglobin and moves into the cells. Carbon dioxide, made by the cells as they do their work, moves out of the cells into the capillaries, where most of it dissolves in the plasma of the blood.

Answer 2

Answer:

In the tiny capillaries of the body tissues, oxygen is freed from the hemoglobin and moves into the cells. Carbon dioxide, made by the cells as they do their work, moves out of the cells into the capillaries, where most of it dissolves in the plasma of the blood.

Hope it helps~

                            @Singappenney