This organ pumps about 2,000 gallons of blood.
What is the heart?
This invention allowed doctors to look inside the body.
What is the X-ray?
This 19th-century nurse pioneered modern nursing practices.
Who is Florence Nightingale?
This vitamin is found in citrus fruits
What is Vitamin C?
True or False: You swallow this many spiders a year while you sleep.
What is zero?
This type of blood cell helps fight infections.
What are white blood cells?
This vaccine was the first to eradicate a disease from the human population.
What is the smallpox vaccine?
This scientist discovered radioactivity and won two Nobel Prizes in different fields.
Who is Marie Curie?
This nutrient is the body's primary source of energy.
What are carbohydrates?
True or False: Cracking your knuckles causes arthritis.
What is false?
This part of the eye contains melanin and gives eyes their color.
What is the iris?
This scientist is famous for discovering penicillin
Who is Alexander Fleming?
This ancient Greek physician is often referred to as the "Father of Medicine."
Who is Hippocrates?
This mineral is essential for strong bones and teeth.
What is calcium?
True or False: Eating carrots improves your eyesight dramatically
What is false?
This is the largest internal organ in the human body.
What is the liver?
This artificial organ helps patients with end-stage heart failure.
What is an artificial heart?
This 1918 pandemic killed an estimated 50 million people worldwide.
What is the Spanish Flu?
This simple sugar is the body’s main energy source, especially for people with diabetes.
What is glucose?
True or False: You should tilt your head back if you have a nosebleed.
What is false?
The part of the brain responsible for balance and coordination.
What is the cerebellum?
In 2003, this project mapped all of the genes in the human body.
What is the Human Genome Project?
This surgeon performed the first successful human-to-human heart transplant in 1967.
Who is Dr. Christiaan Barnard?
This algae is considered a superfood due to its high protein and nutrient content.
What is spirulina?
True or False: Your heart does not stop beating when you sneeze.
What is true?