Systems, Systems
Digestive System
Respiratory System
Cardiovascular System
Excretory/Nervous Systems
100
System that exchanges oxygen for carbon dioxide
What is the respiratory system?
100
This is the label for the large intestine. 
What is letter D?
100
Site of gas exchange in the lungs.
What are the alveoli?
100
Similar structures that carry blood. The first one carries blood back to the heart and has valves, the other carries blood away from the heart and are thicker.
What are veins and arteries (in this order!)?
100
3 structures that form the nervous system.
What are the brain, spinal cord and nerves?
200
Body system that moves nutrients and dissolved gases around the body.
What is the circulatory system?
200
Major site of nutrient absorption.
What is the small intestine?
200
Contains the larynx and also has cartilage to keep from collapsing.
What is the trachea?
200
Vessel that exchanges nutrients and gasses. Only 1 cell thick.
What are capillaries?
200
2 major structures that form the excretory system.
What are the kidneys and bladder?
300
Body system that breaks down food, absorbs nutrients and eliminates solid waste.
What is the digestive system?
300
Structures that increase the surface area of the small intestine, thus allowing more absorption.
What are villi?
300
What letter shows the bronchiole?
What is letter E?
300
These chambers pump blood to the lungs and to the rest of the body.
What are ventricles?
300
Gets rid of solid waste in the body.
What is the digestive system? (Excretory system releases liquid wastes!)
400
Body system that filters the blood and discards waste fluids.
What is the excretory (urinary system)?
400
3 organs that create enzymes and chemicals to help break down food but food does not directly pass through.
What are the liver, gall bladder and pancreas?
400
When the cilia in the large tubes of the respiratory system become infected and inflamed.
What is bronchitis?
400
Chamber that receives deoxygenated blood.
What is the RIGHT atrium?
400
System that allows us to taste, smell, hear, see, move and react!
What is the nervous system?
500
Body system that controls and coordinates body activities.
What is the nervous system?
500
First site of PROTEIN digestion.
What is the stomach?
500
This activity irritates the lining of the bronchi, causing mucus build up. It can also cause various cancers of the system.
What is smoking?
500
The process allows that allows gases obtained by the respiratory system to be passed on to the circulatory system. (Hint: from a high to low concentration)
What is diffusion?
500
The organ that filters and cleans blood.
What are the kidneys?