The optic chiasm is the part where the optic nerves cross, adjusting the left and right fields of view.

He instinctively scratched his head when faced with a difficult problem.

He scratched his head when faced with a difficult problem.

He is snoring in the middle of the night.

He fell into deep thought.

The road caved in due to the earthquake.

His story was kakukaku shikajika, it was very interesting.

It's my habit to make the bed every night before I go to sleep.

My blood type is A.

That action could potentially harm others.