He sent his son off to college.

His heart is very healthy.

This is our main goal.

He played a central role in the project.

He worked hard to accomplish his goals.

He danced using his whole body.

He said that his blood type is A.

His role is the team leader.

The cardiac muscle is a major part of the heart, playing a role in pumping blood throughout the body.

It's difficult to solve a part of this problem.