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Your mouth allows you to speak, breathe, and chew. This article shows specific parts of the mouth, with a helpful diagram.

Here are details and images of different parts of the throat and neck.

Your sinuses are air-filled spaces between the bones in your head. The sinuses make mucus that drains into the nose. This helps keep the nose moist and free of dust and germs.

Experts advise walking briskly at least 30 minutes per day, most days of the week. This walking programs can help you reach that goal by slowly increasing the frequency and time you walk.

Read on to learn more about the colon, including some helpful diagrams.

Clostridium difficile (C. diff) bacteria can be very harmful. They affect the intestinal tract. They can cause symptoms ranging from mild diarrhea to severe inflammation of the large intestine (colon). Read on to learn about how this infection is caused, diagnosed, and treated--and how to prevent it.

Urethral sling surgery is done to treat stress urinary incontinence. It's often done after prostate surgery. The sling lifts and supports the urethra, which is the tube that carries urine from the bladder to outside the body. After surgery, you may...

Straight leg raises can help strengthen your knee.

Try the hip rotator stretch to help your back health.