The muscle that separates the chest cavity from the abdominal cavity is called?

The muscle that separates the chest cavity from the abdominal cavity is called?

  • Diaphragm
  • Intercostal muscles
  • Rectus abdominis
  • Pectoralis major
The correct option is: Diaphragm
The diaphragm is the muscle that separates the chest cavity from the abdominal cavity and plays a key role in breathing.
Tags: diaphragmbreathingmusclerespiratory system