Blood Vessels
What are Arteries?
They are tiny tubes that carry blood away from the heart.
What is the function of the heart?
It pumps blood through the arteries, veins, and capillaries, It sits in your ribcage to the left.
The human body has 60,000 to 66,000 miles of blood vessels, about how many times can that wrap around Earth?
2 times.
True or false
Are ateries strong muscular blood vessels?
True.
What do blood vessels do?
They transport blood through the body.
About how many times does your heart beat per day?
100,000 times.
What are veins?
Veins carry blood back to the heart.
What does high blood pressure do to blood vessels?
It creates a great force, pushing on the walls of the blood vessels so the heart has to pump harder.
True or False,
Is there ever blue blood in the human body?
False.
What are capillaries?
Tiny blood vessels that connect very small arteries to small veins.
How fast does it take for blood to travel through blood vessels and reach the whole body?
It takes about 20-35 seconds.
How many times has your heart beat if you have lived more than 75 years?
About 2.5 billion times.