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parts
functions
cool facts
100
The left side of the heart receives this type of blood.
What is oxygenated blood?
100
The circulatory system is responsible for?
What is transporting blood and materials throughout the entire body?
100
When we exhale, we breathe out what substance?
What is carbon dioxide?
200
If we have no circulation what will happen to our bodies?
What is your body will lack blood and cells and organs will begin to die.
200
When you inhale, you breathe in what?
What is oxygen?
200
How long do red blood cells live?
What is about 4 months, circulating throughout the entire body.
300
The circulatory system transports what 3 materials?
What is nutrients,water and oxygen?
300
What four elements is your blood made of?
What are red blood cells, white blood cells, platelets and plasma?
300
The average times a heart beats per minute?
What is 72 beats per minute?
400
How many red blood cells are in a tiny drop of blood?
What is about 5 million?
400
What is another name for the circulatory system?
What is the vascular system?
400
How much blood will your heart pump in your lifetime?
What is enough to fill 100 king sized swimming pools?
500
the three parts of the circulatory system
What is the heart,the blood,and the vessels
500
What stops blood from flowing backwards through your heart?
What are valves?
500
How many blood cells die every second?
What is about 8 million? Also, the same number are born each second.