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The vestibular system contains specialized structures known as crista and macula, which are responsible for regulating body balance and posture.

1. The vestibular system includes crista and macula, which play a role in hearing.
2. Crista and macula are sensory organs in the vestibular system related to taste perception.
3. Crista and macula are parts of the vestibular system that assist in visual processing.
4. Crista and macula in the vestibular system are essential for maintaining balance and posture.

Correct answer: Crista and macula in the vestibular system are essential for maintaining balance and posture.

Solution

Crista and macula are sensory structures in the vestibular apparatus that detect motion and head position. Their signals help the brain maintain balance and posture, so the statement about balance and posture is correct.

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