This old radio uses a pentode.

Inside the ear, there are semicircular canals to maintain balance.

This diode only allows current to flow in one direction.

The vas deferens is a part of the male reproductive system and has the role of transporting sperm.

He is mindful of healthy eating and exercise to reduce the risk of cardiovascular disease.

She was diagnosed with salpingitis.

We should always remember the power of Kannon in difficult times.

In organic chemistry, hippurate is known as a compound of the amino acid glycine and benzoic acid.

He decided to have a vasectomy.

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.