An allergy is your immune system's reaction to something that does not bother most other people.

A burn is an injury to your skin caused by heat, chemicals, electricity, the sun, or radiation.

A vaccine stimulates your immune system to produce antibodies, exactly like it would if you were exposed to the disease.

A deep cut is an injury where there is an external or internal break of tissue, usually the skin.

A broken bone is the total or partial fracture of a bone. The most common causes of broken bones are accidents, hard falls, or sports related injuries.

Flat feet is when one or both feet have little or no arch. This can make it difficult to walk.

The flu is a respiratory system infection (nose, throat, and lungs). It is caused by a virus that is easily spread from one person to another.

Obesity is a disease that involves having an excessive amount of body fat.

Celiac disease is an autoimmune disease that damages the lining of the small intestine. This damage comes from a reaction from eating gluten.

Asthma is a chronic disease that causes the lungs airways to narrow and swell. This makes it difficult to breath.

Pregnancy is the time when a baby grows in its mother's belly before it comes out into the world.

An animal bite can break, puncture, or scratch the skin. Animal bites that break the skin put you at risk for infections.

A check-up is when you go to the doctor just to make sure that you are healthy.

Heatstroke is caused by your body overheating when it is exposed to high temperatures for too long.

Accidental medication overdose is when you take too much medicine or a medicine that you are not supposed to take. Medication poisoning can have many serious health effects.

Nearsightedness is a common type of eye problem where close objects are seen clearly but far away objects are blurry.

Diabetes is a disease in which glucose (sugar) levels in the blood are very high.

Pink eye is an inflammation or infection of the clear layer between the eyelid and the eyeball.

Swallowing an object is when you swallow something that is not meant to be eaten. The object enters the digestive system (esophagus, stomach, and intestine).

Chickenpox is an infection caused by an extremely contagious virus. It causes an itchy, spotty rash on the skin that later turns into fluid filled blisters.

Braces are small metal pieces that are put on teeth to help move them into the correct position.

A cavity is damage to the surface or enamel of a tooth. Cavaties happen when the bacteria in your mouth make acid that attacks tooth enamel. The acid eats the enamal and causes tiny holes in a tooth, these are called cavaties.

Bees usually sting people when they feel threatened. If a bee stings you, you will have an itchy and painful spot on your skin.

Lice are small insects that live on people's heads. Lice are parasites and need to feed on human blood to survive.

It's a type of burn that comes from elecricity.

An ear infection is an inflammation of the ear, usually caused by an infection.