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What is birth canal?...

What is birth canal?

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### Step-by-Step Solution: 1. **Definition of Birth Canal**: The birth canal is the passage through which a baby is expelled during childbirth. It consists of specific anatomical structures within the female reproductive system. 2. **Anatomical Structures**: The primary components of the birth canal are the cervix and the vagina. - **Cervix**: This is the lower part of the uterus that opens into the vagina. It plays a crucial role during labor as it dilates to allow the baby to pass through. - **Vagina**: This is the muscular tube that connects the cervix to the external environment. It serves as the passageway for the baby during delivery. ...
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