Some childish, unconscious part of you won't enter human society.

Dr. Evans said no part of the cow had entered the human food system.

Some parts of the ship she would not enter unless armed.

Here, the main part enters the solid body above the critical angle.

And the two parts entered into a debate.

The second part (dealing with Law of obligations) entered into force in 1996.

The third part (Succession law) entered into force in 2002.

The person as a part entered more general systems - the Universe, the Society.

I want the deepest part of the mine too hot to enter!

In the next year, some more complicated parts enter the game.