 Parts of the body. Finger. A finger is the long part of the hand used for holding things. Each hand has four fingers and a thumb. Most people have ten fingers, five on each hand. Ankle. The ankle is the joint between the foot and the leg. Most people have two ankles. If you twist or break your ankle, you may have trouble walking until your ankle heals. Leg. A leg is the long part of the lower body. People use their legs to stand and walk. Most people have two legs. If you break your leg, you may need to wear a cast until it heals. Knee. A knee is the joint at the middle of the leg. Most people have two knees. You bend your knees when you sit and when you run. Eye. An eye is the part of the face that a person uses to see. Most people have two eyes. Some people wear eyeglasses so they can see better. Toe. A toe is one of the small parts at the end of the foot. Most people have ten toes. Toes help you balance. A broken toe can be very painful. Stomach. The stomach is the part of the body where food goes when a person eats. Food is digested in your stomach and the nutrients are absorbed by your body. Arm. An arm is the long part of the upper body used for lifting and holding things. Most people have two arms. If you break your arm, you might need to wear a cast. Ear. An ear is the part of the head that a person uses for hearing. Most people have two ears. Some people wear hearing aids to help them hear better. Shoulder. A shoulder is the joint between the arm and the upper body. Most people have two shoulders. Your shoulders help your arms move up, down, and around. Tooth. A tooth is the hard white part inside the mouth used for biting and chewing. Most adults have 28 to 32 teeth. It is important to take care of your teeth by brushing them daily. Back. The back is the rear part of the body below the neck and above the waist. It is important to sit with good posture and lift correctly so that you don't injure your back. The end.