By the end of this section, you will be able to explain the concept of pressure in the human body; explain systolic and diastolic blood pressures; and describe pressures in the eye, lungs, spinal column, bladder, and skeletal system.

Students can learn about the human respiratory system's structures and functions through this easy-to-access tutorial. Sections include major zones and divisions, the nose and nasal cavity, the pharynx, the larynx, the trachea and...