diaphragm
Concept
The principal muscle for inhalation, located below the lungs, which contracts and pulls down to expand the thoracic cavity.
Mentioned in 3 videos
Videos Mentioning diaphragm

A Conversation with Caitlin Flanagan (Episode #197)
Sam Harris
Caitlin Flanagan uses getting her first diaphragm in 1983 as a benchmark for past nervousness about getting something wrong, humorously comparing it to pandemic-related anxieties.

Essentials: Breathing for Mental & Physical Health & Performance | Dr. Jack Feldman
Andrew Huberman
The principal muscle for inhalation, located below the lungs, which contracts and pulls down to expand the thoracic cavity.

Improving Health With Stronger Brain-Body Connection | Huberman Lab Essentials
Andrew Huberman