Cardiovascular, nervous, and endocrine systems are essential for the human body because they regulate the functioning of various mechanisms that transmit signals and impulses about the environment to a person. Without these systems, the flow of information from a human’s brain to nerves and cells would not be possible. This...
It should be noted that the respiratory system consists of a set of organs that support the function of a person’s external respiration (gas exchange between the inhaled atmospheric air and the circulating blood). Gas exchange occurs in the lungs, and it implies that oxygen from the inhaled air is...
Energy pathways and exercises that utilize them There are three major pathways for obtaining energy exploring both aerobic and anaerobic exercises. First of all, it is an ATP-PC system. One should realize the fact that the body needs a constant supply of ATP energy. Besides, for short and intense physical...
