He is knowledgeable about human affairs.

Choosing a leader for the new project is very important.

In medical classes, we learn about the structure of the human body.

Every year on January 7th, we celebrate Nanakusa no Sekku, also known as Jinjitsu.

He is suffering from inflammation of the renal pelvis.

Lake Erie is one of the Great Lakes.

I have visited Lake Inari.

I went to see the beautiful scenery of Lake Geneva.

Lake Winnipeg is located in Canada.

I would like to visit Loch Ness once.