The study of cells is called cell biology. There are different types of cells and are sperm cells, neuron cells, etc.
The correct answer is from the respiration process.
What is breathing?
The inhale of oxygen and exhale of carbon dioxide is called breathing.
According to the question, The carbon dioxide breathed out is a by-product of the process of cell respiration, as is water. In this process, energy is produced in the mitochondria of cells.
This energy is our physical "life force". Both oxygen and glucose are required for this.
For more information about breathing, refer to the link:-
https://brainly.in/question/9531558
