Symptom

Symptoms are changes in the human body. Symptoms are ways that people feel or ways that their bodies appear. These are things that show if a person has a disease.

• Pain and red color are symptoms of a skin burn.
• Vomiting and diarrhea are symptoms of cholera.
• Pain in the chest and cyanosis (blue color of skin) are symptoms of heart disease.
• Headaches and nausea are symptoms of the flu.