An individual center of gravity can usually be found

The correct answer is - just above the belly button.

Explanation:

The center of gravity of the body of a human is a point that made hypothetical at which the gravity force act. The center of gravity is the site at which the mass of the body looks to be concentrated.

In the position of the anatomy of the human body the center of gravity lies approximately above the belly button which is around the anterior to the sacral vertebra. However, it is subject to change constantly with every new posture or position of the body.

Thus, the correct answer is -  just above the belly button.

because health skills are tools and strategies and also practical skills are also something you need to learn (like tools and strategies) and put it in reality.