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29 January, 02:21

Which part of the avian digestive system acts as a replacement for teeth by mechanically grinding their food for them?

a. Crop

b. Gall bladder

c. Gizzard

d. Proventriculus

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Answers (1)
  1. 29 January, 03:21
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    Answer: c. Gizzard

    Explanation:

    The Gizzard or ventriculus is the part of the digestive system of the aves, which acts as a mechanical stomach. It is composed of two sets of muscles that act as a avian teeth. It also posses the thick lining that protects those muscles. The gizzard facilitates the mechanical break down of the food as may be caused by the teeth.
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