The superior gemellus muscle is a part of the human body, mainly supporting movements from the waist to the knee.

Water training on the tatami is a traditional Japanese practice method.

He is facing many difficulties due to gender identity disorder.

His father fell into a persistent vegetative state due to a traffic accident.

The study of organic compounds is an important field in chemistry.

This inorganic compound plays an important role in chemical reactions.

Sandwich compounds are being studied in a branch of chemistry.

He always buys cheap things, so in the end, it becomes 'penny wise and pound foolish'.

Acidic oxides react with water to produce acids.

Aluminum is an amphoteric oxide, it reacts with both acids and bases.