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.

The urachus is a structure that exists during the fetal period, connecting the bladder and the navel.

She was diagnosed with salpingitis.

This old radio uses a vacuum fluorescent display.

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

He decided to have a vasectomy.

He faced difficulties with the spirit of 'one eye, two feet, three gallbladders, four strengths'.

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.