What is the respiratory system? Your respiratory system is the organs and structures in your body that allow you to breathe. It includes your lungs, nose, mouth and the tubelike structures …

Pulmonary ventilation is the act of breathing, which can be described as the movement of air into and out of the lungs.

Jan 12, 2026 · Respiratory gases move between the environment and the respiring tissues by two principal mechanisms, convection and diffusion. Convection, or mass flow, is responsible for …

Pulmonary ventilation is commonly referred to as breathing. It is the process of air flowing into the lungs during inspiration (inhalation) and out of the lungs during expiration (exhalation). Air …

Pulmonary ventilation is the act of breathing. It consists of inhalation (also called inspiration), which is the movement of air into the lungs, and exhalation (also called expiration) or …

Jun 7, 2025 · During breathing, the contraction and relaxation of muscles acts to change the volume of the thoracic cavity. As the thoracic cavity and lungs move together, this changes the …

The processes of the respiratory system are pulmonary ventilation, external respiration, transport of gases, internal respiration, and cellular respiration.

Jul 27, 2025 · Ventilation refers to the physiological process of moving air into and out of the lungs. This process involves both inhalation and exhalation. This continuous exchange of air is …

Oct 30, 2023 · The main function of the respiratory system is pulmonary ventilation, which is the movement of air between the atmosphere and the lung by inspiration and expiration driven by …

Mar 15, 2020 · Key points Ventilation is the process by which oxygen and CO2 are transported to and from the lungs. The physics of breathing are based on Boyle’s law. The key anatomical …