In a hen's oviduct, which region is mainly responsible for forming the egg shell?
Correct answer: B. Shell gland
- A. Infundibulum
- B. Shell gland
- C. Isthmus
- D. Magnum
Explanation
The shell gland, also called the uterus, deposits most of the calcium carbonate that forms the egg shell. The magnum adds albumen, while the isthmus forms the inner and outer shell membranes.
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