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

He is doing a special exercise to strengthen the subclavius muscle.

He collapsed due to a subarachnoid hemorrhage.

My stomach hurt, so I took a laxative.

A lower triangular matrix is a matrix where all the elements below the main diagonal are zero.

He is the unsung hero of the team.

I hurried down the lower two steps.

She is learning the grammar of the present progressive form.

The characteristic of annelids is that their bodies are divided into ring-shaped segments.

He drew a straight line using a T-square.