Act myosin is responsible for muscle contraction.

It is important to act upon the feedback received from customers.

He showed a courageous act by saving the child from the burning building.

The Stamp Act was a tax imposed by the British government on the American colonies in 1765.

As soon as she saw my two toothbrushes, she started acting funny.

She likes to act out her favorite scenes from movies.

He decided to clean up his act and start living a healthier lifestyle.

I always keep a flashlight handy to act as a backup in case of power failure.