By the numbers
Name that organ
Fun facts
Who am I?
100
How many kidneys are humans born with?
2
100
This organ makes urine
Kidneys
100
True or False: The right side of your brain controls the left side of your body
True!
100
I protect your body from sun and microbes. I also help regulate your body temperature.
Skin
200
How many chambers does a human heart have?
4
200
This organ removes toxins from the blood
Liver
200
What is the largest blood vessel in the human body?
Aorta
200
My pH is acidic so I can do my job.
Stomach
300
How many lungs do humans have?
2
300
This organ has a rate
The heart
300
This organ makes blood cells
Bones
300
I send out signals in your body that travel 250 mph
Nerves
400
How much does a human brain weigh?
3 pounds
400
Which organ is this?
400
Which organ is the largest?
Skin
400
I constrict when I'm cold and dilate when I'm warm.
Blood vessel
500
What percent of your brain is devoted to visual processing (making pictures out of light)?
30%
500
Name a VITAL organ
1. Brain, 2. Heart, 3. Liver, 4. Kidney, 5. Lungs
500
True or False: The liver can regenerate
TRUE
500
I exchange carbon dioxide for oxygen.
Lungs