Skeletal
There are 206 of them.
How many bones are in the human body?
The trachea.
What is the windpipe called?
We have about five quarts of it.
How much blood does an adult human have in circulation?
The largest organ in your body.
What is skin?
The central part of your nervous system that runs the length of your body.
What is your spinal cord?
The biggest bone in the body.
What is the femur?
They would be roughly the size of a tennis court completely unfolded.
How big would your lungs be unfolded?
Each hour, your heart does this.
How long does it take the heart to pump about 100 gallons?
How many layers your skin has.
What does skin have three of?
Your brain at 25.
When is your brain fully developed?
They are born with approximately 100 more bones.
What is different about a baby's skeletal system to an adult's?
The left lung.
Which lung is bigger to accommodate the heart?
Blood's weight.
What makes up about 7% of your weight?
Skin color.
How does melanin present in the skin?
The body has millions of them.
How many nerve cells are there?
Where more than half of your bones are.
What is special about your hands and feet when it comes to bones?
Small air sacs within the lungs where gas exchange occurs.
What are the alveoli?
It can briefly change your hearts rhythm.
What can sneezing do?
The percent of your weight that your skin is.
What accounts for 10-15% of your body weight?
The central nervous system.
What part of the nervous system that includes the brain and the spinal cord?
The one bone that doesn't connect to other bones.
What is special about the hyoid bone, in the tongue?
The curved muscle sheet under the lungs with which you breath.
What is the diaphragm?
Corneas don't get it.
What is the one part of the body without blood flow?
It has about 19,000,000 skin cells.
How many skin cells does a square inch of skin have?
The peripheral nervous system.