As a result, they cause the human body to react in a specific way.

They reacted in these ways because she's a woman and he's a man.

If someone's done half your work for you you're going to react in a different way.

"We should have reacted better in the second half and we've got to make things happen."

While reading the story, the children all react in some way.

Would have been better if they didn't over react in the first place.

She had never reacted in this way to a man before.

I'm not sure how I would react in that situation.

There are people today who would react in a similar way.

Not everyone, though, has been able to react in time.