Neurotransmitters are responsible for transmitting information between nerve cells.

Sufficient caution is necessary when handling radioactive materials.

There is a great advantage to receiving tutoring at the teacher's home, as it allows for one-on-one instruction.

Ainai-san is my best friend.

I have been to Inner Mongolia.

I plan to travel to Inner Mongolia next year.

He started walking the Inner Path.

Mr. Yonai is my best friend.

My paternal grandfather once traveled all over Japan when he was young.

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