We need cooperation to make this project successful.

We have to cooperate to make the project successful.

He was hurrying towards the command post.

This document is very important.

The parasympathetic nervous system helps our body to relax and conserve energy.

The sympathetic nervous system controls the body's stress response.

The International System of Units is a standard of measurement widely used around the world.

The SI system is a standard unit system used worldwide.

He is an expert in nuclear physics.

Nuclear fission is a powerful process that generates energy.