He turned on the headlights and drove down the night road.

The headlight of my bicycle has broken.

He is doing special exercises to train his serratus anterior muscle.

He exercises every day to strengthen his tibialis anterior muscle.

She was diagnosed with placenta previa.

The issue of the previa vessel is a very important issue in obstetrics.

We need to minimize the system's downtime.

The albatross is a seabird with long wings.

He is known as an expert in subcritical nuclear experiments.

The anterior scalene muscle is part of the neck muscles and plays a role in assisting with respiration.