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Ovary and oviduct functional in birds is...

Ovary and oviduct functional in birds is

A

Left

B

Right

C

Right ovary left oviduct

D

Right ovary both oviducts

Text Solution

AI Generated Solution

The correct Answer is:
### Step-by-Step Solution: 1. **Understanding Bird Anatomy**: Birds have a unique reproductive system where typically only one ovary and one oviduct are functional. This is an adaptation that helps reduce body weight, which is crucial for flight. 2. **Identifying the Functional Ovary**: In birds, during embryonic development, both the left and right ovaries are initially present. However, as they mature, the right ovary regresses and becomes non-functional. 3. **Identifying the Functional Oviduct**: Along with the left ovary, the left oviduct also remains functional. The oviduct is responsible for transporting the eggs from the ovary to the uterus. 4. **Conclusion**: Therefore, in birds, the only functional ovary is the left ovary, and the only functional oviduct is the left oviduct. 5. **Final Answer**: The correct answer to the question "Ovary and oviduct functional in birds is?" is the left ovary and left oviduct.
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