Asked by Betty Torres on Apr 27, 2024
Verified
The major movement produced during quiet breathing is accomplished by the ________.
A) scalenes
B) diaphragm
C) external intercostals
D) internal intercostals
E) transverses thoracis
Intercostals
Muscles located between the ribs that assist with the breathing process by facilitating the expansion and contraction of the chest cavity.
Diaphragm
A large, dome-shaped muscle located below the lungs that contracts and relaxes to aid in breathing by changing the volume of the thoracic cavity.
Scalenes
A group of three muscles in the neck that assist in breathing and movement of the cervical spine.
- Identify the muscles participating in the respiration process and their specific contributions.
Verified Answer
RZ
Rocco ZinobileMay 01, 2024
Final Answer :
B
Explanation :
The diaphragm is the primary muscle involved in quiet breathing. It contracts and moves downward to increase the volume of the thoracic cavity, allowing air to flow into the lungs.
Learning Objectives
- Identify the muscles participating in the respiration process and their specific contributions.