basic facts about the heart
what is the heart?
The heart is like a pump, it pumps blood to the body or, it is like a mansion in your
What is a vein,
a vein is like a pipe that transports blood back to the heart.
how many valves are there?
There are four valves!!
What are arteries?
Arteries are the pipes that bring blood away from the heart to the body.
Do babies have more BPM than adults?
Yes, adults average BPM is 60-100 times but a newborn baby is 70-190 BPM
How many chambers are there in the heart?
there are four chambers
How many layers are veins made up of?
veins are made up of three layers!
What do valves do?
They open and close to control the blood flow!!
why are they purple?
they are purple because they carry oxygenated blood.
is laughing good for your heart?
Yes, surprisingly it is when you laugh it sends 20% more blood through your body.
why does the heart beat?
it beats to pump blood to your body
why do veins look blue from the outside?
They are carrying deoxiginated blood.
What are the names of the valves?
the names of the four valves are mitral, tricuspid, pulmonary and aortic!
what is the biggest arteriey in your body?
the biggest artery in your body is called the aorta.
How thick is the aorta?
the aorta is the size of a garden hose!
How many times does it beat per day?
It beats over 115,000 times every day!
WHAT ARE VEINS MADE OF
veins are composed of three tissue layers. connective tissue. The middle layer is thicker and contains more contractile tissue in arteries than in veins.
what makes the heart beat sound?
the heart beat sound is caused by valves opening and closing!
how thick are arteries?
they have a wide rang between .1 mm and 10 mm
how many times does your heart beat in a lifetime?
how much blood does it pump per day?
it pumps 2000 gallons of blood a day!
how wide is a vein?
the average vein is around 10 mm wide!!
how much blood do the valves pump each day?
they pump 2000 gallons of blood each day!
WHat are the arteries inside the heart called?
they are called Coronary arteries!
How many times can all your arteries and veins wrap around earth?
The can wrap around the earth 2.5 times!!