The vesical sphincter plays a crucial role in controlling the excretion of urine.

He worked hard to accomplish his goals.

His role is the team leader.

He went to the hospital because of a bladder problem.

The factory is emitting a large amount of carbon dioxide.

This factory has significantly reduced its carbon dioxide emissions.

Health is very important.

His opinion is very important.

He is good at controlling that game.

He is completely controlling the robot.