Fun Facts
Random
Blood
Heart
100
What makes energy?
Glucose and oxygen.
100
Which animal has the largest heart?
The blue whale.
100
What makes blood red?
The large amount of Hemoglobin.
100
How many chambers does the heart have?
The heart has four chambers.
200
Name two kinds of blood cells and what they do.
The white blood cells, which fight infection, and the red blood cells which carry oxygen.
200
What does the Circulatory System do? (It's not that deep)
It brings oxygen and other molecules to all the parts of the body.
200
What makes up blood?
Liquid and red blood cells.
200
How big is the size of an adult heart:
a fist, an open hand, or an egg?
An adult heart is usually about the size of a fist.
300
True or false: blood cells have nuclei?
False.
300
How much blood does the heart pump per day?
About 2,000 gallons.
300
How many liters of blood are in your body?
About five liters.
300
True or False: The heart is a muscle.
True.
400
What is the combined length of all the blood cells in the body?
The total length of all blood vessels in the body is about 60,000 miles.
400
How many hearts do Octopi have?
Octopi have three hearts.
400
What color is the blood inside of your body?
Red! The idea that blood is blue is actually an illusion caused by light.
400
What is an average heart rate?
60-100 BPM.
500
What is the only part of the body that does not have blood vessels leading to it?
The cornea, which is the clear front part of the eye.
500
What is the difference between arteries and veins?
Arteries carry blood away from the heart while veins carry blood back.
500
What produces blood?
Bone marrow.
500
What are the names of the chambers?
Hint: there are only two names.
The Atria and the Ventricles.