In the medical class, I learned about the fissure of the heart.

He explained the structure of the arytenoid cartilage in the throat in detail.

The arytenoid muscle is part of the laryngeal muscles, regulating the opening and closing of the vocal cords.

His heart is very healthy.

I like to study new languages.

I attended a math class today.

I will teach mathematics to new students tomorrow.

He majors in medicine.

The clown is a part of the circus, performing various acts to entertain the children.

He injured his oblique arytenoid muscle in his throat.