All of my siblings are doctors.

He and I are sworn brothers.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.

The superior gemellus muscle is a part of the human body, mainly supporting movements from the waist to the knee.

The inferior gemellus muscle is a part of the human body, mainly supporting the movement from the waist to the leg.