Digestive
Circulatory
Nervous
Blood
Heart
100
mouth
Where does digestion begin?
100
scab
What forms after a clot hardens?
100
sense organs
What are you ears, eyes, nose, tongue, and skin called?
100
4
How many parts of blood are there?
100
veins
What are the blood vessels that carry blood to the heart?
200
esophagus
Where does the food go after the mouth?
200
3
How many kinds of blood vessels are there?
200
spinal cord
What is the thick bundle of nerves that connects the brain and nerves throughout the body?
200
white blood cells
What protects you from sickness and destroys germs?
200
atrium
What receives blood from the veins?
300
2 to 4 hours
How long does food stay in the stomach?
300
arteries
What stretches as the heart pumps blood through them?
300
in the skin
Where will you find nerve endings for cold, heat, pressure, pain, and touch?
300
red blood cells
What carries oxygen?
300
4
How many hollow spaces are there in the heart?
400
nutrients
What is a substance in food that the body uses for energy, for growth and repair, or for working well?
400
capillaries
What are the tiny blood vessels that have thin walls in which oxygen, nutrients, and wastes pass?
400
eyes
What sense organ gives you the most information?
400
platelets
What stops bleeding?
400
ventricles
What are the two spaces in the bottom part of the heart that pump blood out of the heart?
500
enzymes
What are the chemicals that help your digestive system change food into nutrients?
500
to get oxygen
Why does the blood travel to the lungs?
500
bitter
What taste is located in the back middle of your tongue?
500
plasma
What is the watery part of the blood called?
500
aortra
What is the name of the artery that sends oxygen rich blood to the body?
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