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