Diaphragm
Definition: The diaphragm is the muscular partition located between the chest cavity and the abdominal cavity. It plays a major role in respiration.
During inspiration, the diaphragm descends, the inspiratory muscles contract, and the rib cage rises.
During expiration, the diaphragm rises, the inspiratory muscles relax, and the rib cage descends.
Pronunciation: die’ uh fram
Common Misspellings: diaphram, diafram, diafragm
Examples: During respiration, the diaphram relaxes and contracts
