Body atlas: the human pump
Why are the valves so important
They help to move the blood through the heart and pump it out
What prevents venous blood from going in the wrong direction
Valves
How much blood is in the body
1 1/2 gallons
How long does it take blood to circulate in a relaxed body?
1 minute
How fast does your blood travel
1 mph
Every heart beat pumps ___ of blood
1/15
How many miles of blood vessels does your body have
100 thousand miles
Your heart beats ___ times a minute at rest
70
In simplest terms what is the heart
A pump driving blood
The largest artery is also the
Aorta
The bicuspid valve is also the ___ valve
Aortic
Arteries eventually become
Articulates
What's the body's universal garbage collector
Blood
What color is blood when the oxygen count is low
Blue
Explain what happens once blood is inside a capillary
Co2 is picked up and o2 is dropped off
What is the peacemaker
Coordinates the heartbeat and communicates with our parts of the body
What is the bloods chief function
Delivers essential nutrients to cells
___ in red blood cells carries oxygen
Hemoglobin
Why is the heart unique
It's the only one we can feel working
The __ side is the strongest side of the heart
Left
What makes the heart pump faster?
Movement
What is bloods most important supply
Oxygen
An auricle is also an
Pinna
___ divides the heart into its four hollow chambers
Septum
Explain the lub dub sound
The double heart beat from the valves
The great vein is also known as the
Vena cava