What type(s)of muscle tissue make(s)up the muscles of inspiration and expiration?
A)Both consist of skeletal muscle.
B)Inspiratory muscles consist of skeletal muscle, and expiratory muscles consist of smooth muscle.
C)Inspiratory muscles consist of smooth muscle, and expiratory muscles consist of skeletal muscle.
D)Both consist of smooth muscle.
E)Inspiratory muscles consist of skeletal muscle, and expiratory muscles consist of cardiac muscle.

Question

Quizplus · Accepted Answer

Both inspiration and expiration are accomplished by the contraction of skeletal muscles. The diaphragm and external intercostal muscles contract during inspiration, while the internal intercostal muscles and abdominal muscles contract during expiration. All of these muscles are composed of skeletal muscle tissue.

What Type(s)of Muscle Tissue Make(s)up the Muscles of Inspiration and Expiration