During forced expiration, actively contracting muscles include the

Question

During forced expiration, actively contracting muscles include the (A) diaphragm (B) external intercostals (C) abdominal muscles (D) all of these

Tardigrade Admin · Accepted Answer

Expiration is a passive process. In a forced expiration, the abdominal muscles increase intra-abdominal pressure and pull the rib cage downward and inward.

Q. During forced expiration, actively contracting muscles include the

diaphragm

external intercostals

abdominal muscles

all of these

Expiration is a passive process. In a forced expiration, the abdominal muscles increase intra-abdominal pressure and pull the rib cage downward and inward.