Growth & Death
Molecules and Signalling
Protein Synthesis
ATP Production
Electrolytes
Cell Structures
Tissue Structure
Cardiac Output
Cardiac Cycle
Circulation
Special Circulations
Pulmonary Ventilation
Gas Exchange
Regulation of Respiration
Mouth
Stomach
Small Intestine
Large Intestine
Liver
Vitamins
Other
Nephron
Micturition
Regulation
Embryology
Hormones and Regulation
Fetal Physiology
Pregnancy
Components
Synapses
Sensory System
Motor System
Ocular Physiology
Thyroid and Parathyroid Glands
Adrenal Glands
The Pancreas
Hypothalamus and Pituitary
Cells of the Immune System
Innate Immune System
Adaptive Immune System
Immune Responses
Infections
Haematology
Gas exchange is the process by which oxygen and carbon dioxide move between the bloodstream and the lungs. This is the primary function of the respiratory system and is essential for ensuring a constant supply of oxygen to tissues. This article will discuss the principles of gas exchange, factors affecting the rate of exchange, and relevant clinical conditions.
Our second article in this section describes the physiology of ventilation-perfusion matching. Ensuring that the ventilation and perfusion of the lungs are adequately matched is vital for ensuring continuous delivery of oxygen and removal of carbon dioxide from the body. In this article, we will discuss ventilation- perfusion matching, how mismatch may occur and how this may be corrected.
by Neera Chaudhary
by Charlotte Smith
by Arjun Nehra
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