explain the structure and function of the respiratory system
Function of the Respiratory System. The function of the human respiratory system is to transport air into the lungs and to facilitate the diffusion of Oxygen into the blood stream.Its also receives waste Carbon Dioxide from the blood and exhales it.arts of the Upper Respiratory Tract. 1  Mouth, nose & nasal cavity: The function of this part of the system is to warm, filter and moisten the incoming air. 2  Pharynx: Here the throat divides into the trachea (wind pipe) and oesophagus (food pipe). 3  Larynx: This is also known as the voice box as it is where sound is generated.
The human respiratory system is composed of the nasal passages, the pharynx, larynx, the trachea, bronchi, and the lungs. It is responsible for the process of respiration that is vital to the survival of living beings.Respiration is the process of obtaining and using oxygen, while eliminating carbon dioxide.et us look at its structure. The respiratory system in human beings can be divided into the upper respiratory tract that consists of nasal passages, pharynx, and larynx, and the lower respiratory tract that is composed of the trachea, the primary bronchi, and the lungs.