Humans have the ability to increase the strength of both inspiration and expiration using additional muscles located in the:
Show answer and explanation
Correct answer: Abdomen
While normal breathing involves the diaphragm and external intercostals, humans can use abdominal muscles to increase the force of expiration. This is particularly evident during forceful breathing or exercise.
Keep practicing
More Mechanism of Breathing questions
- What happens to the sternum during the process of inspiration?
- Anatomically, the lungs are situated in an air-tight thoracic chamber. This setup is essential because:
- The relaxation of the diaphragm causes it to become:
- During forceful expiration, which of the following muscles contract?
- The average breathing rate of a healthy human adult is:
- Which clinical instrument is used to estimate the volume of air involved in breathing movements?