Collagen is important for maintaining the firmness and elasticity of the skin.

He propels the old boat to sea.

Your adorable smile brightens up my day.

The Old Turkic script was used to record ancient Turkish.

If cardiac output decreases, blood flow throughout the body worsens.

Exodus is a part of the Torah and the Old Testament.

Mr. Hiruma is my best friend.

He is muttering to himself.

His new song is composed in E flat major.

Variational method is a branch of mathematics used to find the minimum and maximum values of functions.