Skeletal system
Bones
Brain system
Muscles
More about Brain system
100
What greek word means bone?
Osteo
100
What are the two colors of bone marrow?
Red and Yellow
100
About how many neurons are in your brain?
100 billion neurons
100
What is our smallest muscle?
The smallest muscle is in our ear and is called the stapedius
100
What latin word means "cortex"?
The word "cortex" comes from the Latin word for "bark" (of a tree)
200
Do we grow a new bone? True or false?
True. We grow a new bone every 7 years
200
How many bones does a adult have?
206 bones
200
Is your brain faster and more powerful than a supercomputer? True or false
True.
200
How many muscles does it take to frown and smile?
It takes 17 muscles to smile and 43 muscles to frown
200
Does your brain move at all in your head? True or false?
False
300
What is calcium?
A naturally occurring mineral that is needed for strong bones and teeth.
300
What does the word periosteum mean?
Peri - osteum Around/the Bone
300
How much info does neurons send to your brain?
Neurons send information to your brain at more than 150 miles (241 kilometers) per hour
300
What are our three muscles?
Smooth muscles, skeletal muscle, and cardiac muscles.
300
What part of the brain does the right side control in our body and what controls the left side?
The left side of our brain controls the right half of our body and the right side controls the left
400
When your a baby, how many bones does it have?
At birth the human skeleton is made up of around 300 bones
400
What is our smallest bone?
The smallest bone found in the human body is located in the middle ear
400
What are the two different memories we have?
The brain has two kinds of memory, short term memory and long term memory
400
How many muscles are in your body?
There are over 650 muscles in the human body.
400
How big is your cerebral cortex?
The thickness of the cerebral cortex varies from 2 to 6 mm.
500
What thing in our body that is part of the skeletal system but not counted as bones?
Our teeth
500
When do our bones stop growing?
Human bones stop growing till our mid 20's
500
What latin word means "little brain"?
The word "cerebellum" comes from the Latin word for little brain
500
What is our longest muscle?
Our longest muscle is the Sartorius
500
How much energy does the brain need?
The brain actually uses around twenty percent of the body's energy.
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