Shoulder joint: The flexible ball-and-socket joint formed by the junction of the humerus and the scapula. This joint is cushioned by cartilage that covers the face of the glenoid socket and head of the humerus.
We need to eat because the nutrients in food is what causes our body to work! It gives us energy, helps us grow, and makes sure that all of our organs perform like they should. Not eating can make you tired, cranky, and even sick if you don't eat for a long time. And what you eat is just as important as when cookies and candies are fun sometimes foods, but it's the vitamins and minerals in fruits, vegetables, and proteins that make us healthy and strong! 1  Share.
In this section, you will find out what fats are, why we need them, what they do for us and where we find them in our foods. Why do we need fat? Virtually all natural foods contain some fat. It is in foods because both plants and animals use fats as the most economical way to store energy.