Organs
Skeletal System
Circulatory System
Respiratory system
Random Facts
100
What organ do we use to breathe?
Lungs
100
What is the bone that surrounds your brain called?
Skull
100
What is the main organ in the circulatory system?
Heart
100
What organ is in the respiratory system?
Lungs
100
What is the name of the bones that cover our lungs? 
Ribs/Rib cage
200
Which organ pumps blood through the body?
Heart
200
What is the name of the bone that supports your mouth?
Jaw
200
What is the purpose of the heart?
To pump blood through the body
200
What is the name of the "good air" that we inhale?
Oxygen
200
What is the smallest living part of the body?
Cells
300
What organ is used to digest food
Stomach
300
How many bones are in the human body?
206
300
How much blood do we have in our bodies?
1 gallon
300
What is the name of the "bad air" that we breath out?
Carbon Dioxide
300
What is the name of this organ?
Kidneys
400
What organ controls our activity?
Brain
400
What is the scientific name of our backbone/spine?
Vertebrae
400
What are the three parts of the circulatory system?
- Heart
- Blood
- Blood Vessels
400
What do lungs look like when they have been damaged from smoking?
They will turn gray, and can have black spots on them
400
How many muscles are in the human body?
700
500
What is the largest organ?
Skin
500
What is the purpose of the skeletal system?
- To support and hold the body together
- to help with movement
500
What is plasma?
The liquid part of the blood.
500
Why does asthma make it hard to breathe?
Asthma narrows the breathing tubes
500
What is the purpose of white blood cells? What do they do for the body?
Fight germs thats cause infections