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Title: Which part of a bird's digestive system contains sand and rocks to aid in mechanical digestion? ... Post by: fokkdsn on Mar 31, 2018 Which part of a bird's digestive system contains sand and rocks to aid in mechanical digestion?
a. crop b. esophagus c. gizzard d. pharynx e. proventriculus Question 2 Which structure in the earthworm's digestive tract is utilized for food storage? a. crop b. esophagus c. gizzard d. intestine e. mouth Title: Which part of a bird's digestive system contains sand and rocks to aid in mechanical digestion? ... Post by: rimaaazzz on Mar 31, 2018 Content hidden
Title: Which part of a bird's digestive system contains sand and rocks to aid in mechanical digestion? ... Post by: fokkdsn on Mar 31, 2018 This is very helpful, my teacher this year is not good
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