You can enjoy music without blocking your ears with bone conduction headphones.

The dog was picking up bones in the garden.

He is an expert in osteology and has a deep knowledge of the human skeleton.

He is a world-renowned osteologist.

He is an expert in osteology.

By regularly checking the key performance indicators, you can understand the performance of the company and devise improvement measures.

He trains his deltoid muscles at the gym every day.

He is doing special exercises to strengthen his cervical muscles.

She was massaging her nape.

He has strong masseters, so he can easily bite through hard food.