What is the function of the respiratory system and the heart?

The respiratory system is the system in the human body that enables us to breathe.The act of breathing includes: inhaling and exhaling air in the body; the absorption of oxygen from the air in order to produce energy; the discharge of carbon dioxide, which is the byproduct of the process. read more

The main function of the respiratory system is gas exchange. There are two involuntary drives that can cause us to take our next breath. For the vast majority, what makes us breathe is a buildup of CO2 in our blood. This is called the hypercapnic drove. read more

The human respiratory system is a series of organs responsible for taking in oxygen and expelling carbon dioxide. The primary organs of the respiratory system are lungs, which carry out this exchange of gases as we breathe. read more