Which part of a bird's digestive system contains sand and rocks to aid in mechanical digestion?
A) the pharynx
B) the crop
C) the proventriculus
D) the gizzard
Correct Answer:
Verified
Q35: Which statement describes an earthworm's digestive opening?
A)
Q36: Which sequence presents the five steps of
Q37: Where are sphincters located?
A) in the mouth
B)
Q38: Which sequence lists the layers of a
Q39: Which structure in the bird's digestive tract
Q41: Where does most absorption in the human
Q42: Which of the following is a purpose
Q43: Which digestive structures in humans secrete amylase?
A)
Q44: Where does the digestion of proteins begin
Q45: Which cells produce pepsinogen in the stomach?
A)
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