Please enable JavaScript.
Coggle requires JavaScript to display documents.
The Respiratory System (ORGANS & FUNCTIONS (LUNG: gaseous exchange,…
The Respiratory System
KEYWORDS
-
-
External respiration is the name given to the way organisms take in oxygen for respiration and get rid of carbon dioxide and water vapor, which are the wastes from respiration.
-
-
BREATHING IN
- the volume of the ribcage increases
- causes the pressure on the lungs to decrease
- diaphragm contracts -> causes diaphragm to contract
- intercostal muscles contract -> causes ribs to move up and out
-
-
BREATHES PER MINUTE
-
-
-
When a person exercises, the respiration rate increases in the muscles of the body.
BREATHING OUT
- the volume of the ribcage decreases
- causes the pressure on the lungs to increase
- diaphragm relaxes -> causes diaphragm to arch up
-
- intercostal muscles relax -> causes ribs to move down and in
-