Linking The Respiratory & Nervous Systems

The link is formed by the the Respiratory Rhythmicity Centre. The Respiratory Rhythmicity Centre consists of groups of nerves in the medulla of the brain that control the rate and depth of each breath. Motor impulses are sent from the respiratory centre along the spinal cord and on to the intercostal muscles via the intercostal…

Linking The Respiratory & Cardiovascular Systems 

With regards to respiration, there are two types of gaseous exchange involving Oxygen and Carbon Dioxide. External respiration and Internal respiration. External Respiration: In external respiration, diffusion of gases takes place across the respiratory membrane between the alveoli and the blood in the alveolar capillaries. The blood is high in levels of CO2 and low…

Gaseous Exchange

Gaseous exchange is the term used to describe the process by which gases are exchanged in opposite directions across a semipermeable membrane. Gases move from an area of high concentration to an area of low concentration and this process is termed Diffusion. In respiration, the gases that we are mainly focused on are oxygen and…