The esophagus connects to the stomach through a thick ring of smooth muscle called the:
A) pharyngeal sphincter.
B) duodenal sphincter.
C) cardiac sphincter.
D) rectal sphincter.
C
Health & Biomechanics
You might also like to view...
Shigella infection in young children is characterized by mucosal ulceration that is most prominent in the
A. jejunum B. ileum C. cecum D. transverse colon E. rectum
Health & Biomechanics
The administration of controlled amounts of nicotine to gradually reduce daily nicotine use is called ________ therapy.
Fill in the blank(s) with the appropriate word(s).
Health & Biomechanics
The term ____________________ describes the absence of sperm in the semen
Fill in the blank(s) with correct word
Health & Biomechanics
Which of the following is one of the most common mental health problems?
a. anxiety b. sleep apnea c. depression d. dyslexia
Health & Biomechanics