Digestive System
Respiratory System
Circulatory System
Excretory System
Mixed Bag (All Systems)
100
What organ helps chew food?
Teeth
100
What do we breathe in to stay alive?
Oxygen
100
What organ pumps blood in our body?
Heart
100
What organ filters our blood to make urine?
Kidneys
100
Which system helps us digest food?
Digestive System
200
What tube carries food from the mouth to the stomach?
Esophagus
200
What organ helps us breathe?
Lungs
200
What carries blood throughout our body?
Blood vessels
200
What organ stores urine before we go to the toilet?
Bladder
200
Which system helps us breathe?
Respiratory system
300
What organ makes acid to break down food?
Stomach
300
What muscle is under the lungs and helps them move?
Diaphragm
300
Name two types of blood vessels?
Arteries and veins
300
What tubes carry urine from the kidneys to the bladder?
Ureters
300
Which system moves blood around our body?
Circulatory system
400
Does large intestine absorb nutrients from food?
False. Small intestine absorbs nutrients and large intestine carries the undigested food.
400
What tube connects the nose and mouth to the lungs? What is its function?
Trachea. It carries the air from nose and mouth to the lungs. 
400
What goes around the body to give it oxygen and nutrients?
Blood
400
Do ureters carry urine out of the body? True or False?
False. The urethra carries urine out of the body.
400
Which system removes waste from our body?
Excretory system
500
What organ removes waste from food and explain how?
Large Intestine. It absorbs water from the food the body can't digest.
500
Do lungs absorb carbon dioxide? Explain its function.
No, The lungs absorb oxygen from the air and pass it to the blood.
Carbon dioxide passes from the blood to the lungs.
500
Explain the functions of Arteries and Veins?
Arteries take blood away from the heart to all parts of the body.
Veins take blood back to the heart. This blood carries waste products.
500
Explain the difference between Ureters and Urethra.
Ureters carry the excess water to the bladder.
Urethra carries the urine out of the body.
500
Which gases do we inhale or exhale?
We inhale Oxygen and exhale Carbon Dioxide.