Question

What will happen if the human heart only had one chamber?

Answer 1

In general, the heart takes deoxygenated blood from the body, sends it to the lungs to get oxygen, and pumps it through the body to oxygenate the organs, he said. In humans, the four-chambered heart keeps oxygenated blood and deoxygenated blood in separate chambers.

and if one chamber then all this activities are impossible and we must die.