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How many liters of blood does an adult have?
Five liters
How long does it take for the blood to leave the heart, circulate through the whole body and come back to the heart?
60 seconds (1 minute)
What are the different kinds of blood vessels?
Arteries, veins and capillaries
How many chambers is the heart divided in?
Four
What system does the heart belong to?
Circulatory system
What does the blood take to the body's cells?
Oxygen and nutrients
What does the blood carry away from our body?
Waste material
Which vessels are responsible to carry blood away from the heart?
The arteries
Which vessels are responsible to carry blood back to the heart?
The veins
Which vessels connect the arteries to the veins?
The capillaries
What is the name of the big artery that distributes the blood to the whole body through the capillaries?
Aorta
What do capillaries collect from the body cells?
Carbon dioxide
