The structure that connects the mouth with the stomach is known as the:
A) sphincter
B) esophagus
C) peristalsis
D) bursa
Question 2
The back is covered by a large muscle called the _____________. Its main function is to extend and adduct the arm, as when swimming.
A) latissimus dorsi
B) latissimus dorsal
C) deltoid
D) pectoralis major