Circulatory System
Excretory System
Respiratory System
Digestive System
Science Experiments
100
The most important part of the circulatory system is....
What is the heart.
100
These are the three main ways which we can excrete things out of our body...
What are the lungs, urine, and through sweat.
100
These are the main two organs of our respiratory system.
What are the lungs?
100
We use these teeth to rip and tear our food. They are known as our "vampire teeth."
What are the canine teeth?
100
This continued to go up as we exercised outside on the blacktop..
What is the breathing rate?
200
Heart attacks can occur from the buildup of this in the arteries...
What is plaque (or fatty foods)
200
These can form on our skin when our body gets cold or frightened...
What are goose bumps
200
This is the main function breathing in air...
What is to get oxygen to our blood cells?
200
These are the chemicals in your saliva which help break down food while you chew.
What are enzymes?
200
This is what we found by placing our fingers on our wrist or our neck.
What is our pulse/heart rate?
300
Veins carry blood full of this away from the heart and to all other parts of the body..
What is oxygen.
300
The formation of urine begins in what organ after the blood is filtered?
What is the kidney
300
This is the muscle which contracts and expands when we breathe in air...
What is the diaphragm?
300
Once in the mouth, your food travels down this into the stomach.
What is the esophagus?
300
This is why we began to breath harder whenever we are exercising
What is because our body is losing oxygen and needs to bring in more?
400
The function of the white blood cells is to..
What is attack the viruses in our body?
400
The lungs breath out this harmful toxin every time we breathe out.
What is carbon dioxide?
400
These tubes are what carry air from the trachea to the lungs
What are the bronchial tubes? (bronchioles)
400
This part of the digestive system is almost 20 feet long and is where the nutrients of your food are absorbed into your bloodstream.
What is the small intestine?
400
These teeth were used the most for "chewing our chow."
What are the molars?
500
These are the four main chambers of the heart.
What are the left ventricle, right ventricle, left atrium, and right atrium?
500
Sweat and oil excrete out of these small holes in your skin
What are pores?
500
These tiny little sacs are what transport the oxygen into the blood.
What are the alveoli?
500
This is the wavelike motion which moves food down the esophagus into the stomach.
What is peristalsis?
500
The intersection of the circulatory and the respiratory system
What is that the oxygen we get for our blood comes from the air we breathe into the lungs?
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