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Nervous
Respiratory
Skeletal
100
spinal cord, brain, nervous cell
What are the parts of the nervous system?
100
A gas that is inhaled and pumped into the lungs.
What is oxygen?
100
The skeletal system.
What is the system that protects vital organs?
200
Carries messages between our brain and the lower part of our body.
What does the spinal cord do?
200
What part of the lungs branch out like a tree?
What are the Bronchioles?
200
A structure of bones in your back that protects the spinal cord
What is the spine?
300
Five different kinds.
How many different kinds of nerve endings are there?
300
Tiny sacs on the end of the bronchioles where the exchange of gases is practiced.
What are the Alveoli?
300
300 bones
How many bones does a baby have when its born?
400
This has the smallest nerves in your body.
What is the brain?
400
The diaphragm contracts.
What does the diaphragm do when you inhale, or breathe in?
400
The stapes.
What is the smallest bone in your body?
500
cerebellum, occipital lobe, frontal lobe, parietal lobe, and temporal lobe
What are the parts of the brain?
500
The voicebox.
What is the larynx?
500
106 bones
How many bones are in your hands and feet combined?