circulation part 1 what the heart does. the heart pumps oxygenated blood through the body. the heart...
TRANSCRIPT
The heart pumps oxygenated blood through the body.
The heart also pumps blood filled with carbon dioxide
away from the body.
Oxygen is the gas we inhale.It gives life to all
the cells of the body.
Carbon dioxide is the gaswe exhale.
It is the waste product of breathing.
http://www.bbc.co.uk/schools/gcsebitesize/pe/appliedanatomy/0_anatomy_circulatorysys_rev1.shtml
Web Sites to Visit
Scroll to components of the circulatory/cardiovascular system and click on arrow.
The heart muscle contracts and relaxes.
When it relaxes, the heart fills with blood.
When it contracts, blood leaves the heart.
The inside of the heart is hollow.
The heart has four main sections.
The sections are called chambers.
You can see the muscle thatsurrounds the ventricles.
The muscles between the two sides of the heart
is called the septum.
Blood should always be insideof a blood vessel.
Bleeding is a sign that blood is not being contained.
Bleeding can occur inside oroutside of the body.
Bleeding should always be stopped.
http://www.bbc.co.uk/schools/gcsebitesize/pe/appliedanatomy/0_anatomy_circulatorysys_rev3.shtml
Web Sites to Visit
Please go to page 2 and view the diagram of the heart. Click views 1, 2, and 3.
The Components of Blood
Plasma is the liquid part of blood.Plasma is yellow.It is mainly water
with some salt, sugar, and fat.
Red blood cellscarry oxygen to all the cells.
White blood cells fight infection.
Platelets stop bleeding.
The right side of the heart holds blood with carbon dioxide.
The left side of the heart holdsblood with oxygen.
The aorta is a large artery.
It is located on the left side of the heart.
It carries oxygenated blood from the left side of the heart
to all the cells of the body.
Here is what the entire aorta looks like.
Usually you can’t see it because it is “hiding” behind the heart.
The vena cava is a large vein.
It is located on the right side of the heart.
It carries blood filled withcarbon dioxide
from the right side of the heartto the lungs so it can be exhaled.
http://www.bbc.co.uk/schools/gcsebitesize/pe/appliedanatomy/0_anatomy_circulatorysys_rev1.shtml
Web Sites to Visit
Please go to page 3 and view the animation blood vessels.
http://youtu.be/JA0Wb3gc4mE
The pulmonary artery bringsblood filled with carbon dioxide
from the heart to the lungsto be exhaled.
The pulmonary artery is the only artery that
carries blood with carbon dioxide.
The pulmonary veins bringblood filled with oxygen
from the lungs to the heart
The pulmonary veins are the only veins that
carries blood with oxygen.
Web Sites to Visit
http://www.pbs.org/wnet/redgold/journey/circulation.swf
Please view systemic and pulmonary circulation.
http://www.wisc-online.com/Objects/ViewObject.aspx?ID=AP12704
There is a short quiz at the end of these animations.