Our body is constantly excreting waste products.

The animal kingdom is incredibly diverse, and it is said that there are still species that have not been discovered.

Gymnosperms are a type of plant that directly release their seeds into the air.

Speaking of autumnal traditions, it's leaf peeping.

This is the souvenir I brought back from my trip.

It is said that a monster lives in the forest.

I think this food is very rare.

Mollusks often have hard shells to protect their soft bodies.

Zoo staff must clean up the animals' excrement every day.

I gave her a birthday gift.