Examlex
Habitually delaying defecation when the need is present can lead to _____.
Sphincter
A ring-like muscle that controls the passage of substances through an opening in the body, such as the anus or esophagus.
Peristalsis
The series of wave-like muscle contractions that moves food through the digestive tract.
Latissimus Dorsi
The large muscle of the back.
Pectoralis Major
A large muscle in the front of the chest that attaches to the shoulder and sternum, involved in movements of the shoulder and arm.
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