Brain and Central Nervous System
Circulatory System
Respiratory System
Skeletal System
Muscular System
60

You have many miles of these through out your body that gather information for your brain to use. 

What are nerves?  

60

A doctor or nuse listens to your heartbeat using this instrument. 

What is a stethescope? 

60

The short breathig tube, or windpipe, that leads to the lungs.  

What is the trachea? 

60

This is the strongest and largest bone in your body. 

What is the femur? 

60

These kinds of muscles are attached to bones and allow us to move, bend, and twist? 

What are skeletal muscles? 

70

Your brain cells are very sensitive to this gas and without it, they will begin to die. 

What is oxygen? 

70

You have 60,000 mils of these tubes to carry blood to and from all parts of your body.  

What are blood vessels?  

70

These tubes branch off from the trachea and lead into each lung. 

What are the bronchi? 

70

The knee, elbow, jaw, hips, and ankles are just a few examples of where these are located. 

What are joints? 
70

These kinds of muscles control the movement of organs and blood vessels. 

What are smooth muscles? 

80

This part of your brain attaches to the spinal cord and is responsible for keeping your hears beating and your lungs breathing. 

What is the brain stem?  

80

These blood vessels carry oxygen-rich blood from the heart to all parts of the body. 

What are the arteries? 

80

This strong muscle helps move air in and out of the lungs. 

What is the diaphragm? 

80

These strong bands of tissue connect bone to bone. 

What are ligaments? 

80

Muscles that function automatically, without our having to think about it, are called this 

What are involuntary muscles? 

90

This is the largest part of your brain, and it is responsible for your intelligence. 

What is the cerebrum? 

90

These blood vessels carry blood back to the heart and ungs to receive oxygen. 

What are veins?  

90

Millions of these tiny air sacs are located inside the lungs. 

What are the alveoli? 

90

This strong, flexible material covers the ends of your bones so that they can silp smoothly past one another. 

What is cartilage? 

90

This is the approximate number of skeletal muscles in the human body? 

What is 600? 

100

This part of your brain is responsible for your coordination and balance. It is latin for little brain?  

What is the cerebellum?  

100

These are very thin blood vessels in which the exchange of oxygen and food takes place. 

What are capillaries?  

100

This flap of tissues covers the trachea when you swallow so that food does not enter the lungs. 

What is the epiglottis? 
100

This jelly-like substance is found in the center of some long bones and helps make new red blood cells. 

What is bone marrow? 

100

You were about this old in the womb when your cardiac muscles, or heart, started beating.  

What is one month old? 

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