Excess amounts of uric acid in our body can lead to deposits of crystals in our joints, leading to inflammation and pain. This condition is known as gout.

While many believe that organs are only internal, the skin is actually the largest organ of the human body.

Hypertension is the medical term for high blood pressure. There are four levels: normal, prehypertensive, stage 1, and stage 2.

BMI (or body mass index) is the measure that determines someone's body fat based on their height and weight. A healthy BMI should be between 18.5 and 24.9.

CPR is performed when someone's heart has stopped beating, and it can be a lifesaving step. CPR stands for "cardiopulmonary resuscitation.”

Hepatitis is an inflammation of the liver. There are various types of the condition, including Hepatitis A, B, and C.

Insulin is the hormone that is produced by the pancreas. The way the body interacts with insulin is the tell-tale sign of type 1 or type 2 diabetes.

A hysterectomy is a surgical procedure in which a woman's uterus is removed from her body. Half a million women in the United States undergo hysterectomies annually.

There are four different blood types you can have. While type O is known as the universal donor, type AB is known as the universal receiver. This means that those with blood A, B, or O can give blood to them.

There are 11 organ systems of the body. They include the respiratory (lungs and breathing), circulatory (heart and blood), muscle, reproductive systems, and more.