The respiratory system allows to you inhale and exhale, it allows you to talk and to smell, It brings air to body temperature and moisturizes it to the humidity level your body needs, It...
The larynx protects the lower airways, It facilitates respiration, It plays a key role in phonation, It directs air into the lungs to breathe, It directs food into the esophagus on its way to...
The human body contains a system that is responsible for the extraction of oxygen from the air and then transfers it to the blood, then to the cells of the body, this system is...