Cats are digitigrade animals, they walk on their toes.

He learned about unguligradism in his zoology class.

His research mainly focuses on the plantigradism of mammals.

She has polycystic ovary syndrome.

He is writing a thesis on monotheism.

Sufficient caution is necessary when handling radioactive materials.

She was going through puberty and was confused by the changes in her body.

In behavioral sciences, the use of metatools plays a crucial role.

World War I was a large-scale war that lasted from 1914 to 1918.

World War II lasted from 1939 to 1945.