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ChapA4.2

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Information about ChapA4.2

Published on January 16, 2008

Author: stviator4b

Source: slideshare.net

Description

The Circulatory and Respiratory Systems
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The Respiratory and Circulatory Systems

The Respiratory System cells need oxygen to work breathe in oxygen as cells work, they give off carbon dioxide breathe out carbon dioxide breathing rate goes up as your body works harder as muscles do more work, need more oxygen give off more carbon dioxide breathe in and out faster to get more oxygen and get rid of more carbon dioxide

cells need oxygen to work

breathe in oxygen

as cells work, they give off carbon dioxide

breathe out carbon dioxide

breathing rate goes up as your body works harder

as muscles do more work, need more oxygen

give off more carbon dioxide

breathe in and out faster to get more oxygen and get rid of more carbon dioxide

main organ of respiratory system is lungs air enters through nose and mouth goes down trachea to lungs trachea divides to form system of tubes in lungs tubes get smaller and smaller until they end in air sacs all around air sacs are capillaries capillaries: tiny blood vessels walls of air sacs and capillaries very thin oxygen passes through walls from air sacs to capillaries carbon dioxide passes through walls from capillaries to air sacs

main organ of respiratory system is lungs

air enters through nose and mouth

goes down trachea to lungs

trachea divides to form system of tubes in lungs

tubes get smaller and smaller until they end in air sacs

all around air sacs are capillaries

capillaries: tiny blood vessels

walls of air sacs and capillaries very thin

oxygen passes through walls from air sacs to capillaries

carbon dioxide passes through walls from capillaries to air sacs

The Circulatory System circulatory system includes heart and all your blood vessels (the tubes your blood flows through) job of the circulatory system is to take blood to all your body’s cells heart : muscle that pumps blood through your blood vessels to all parts of your body as big as your fist working all the time, resting only between beats

circulatory system includes heart and all your blood vessels (the tubes your blood flows through)

job of the circulatory system is to take blood to all your body’s cells

heart : muscle that pumps blood through your blood vessels to all parts of your body

as big as your fist

working all the time, resting only between beats

arteries : blood vessels that take blood away from the heart branch out to all parts of the body become smaller and smaller capillaries carry blood to every cell in your body oxygen passes from blood into cells carbon dioxide passes from cells into the blood capillaries then become veins veins: large blood vessels that return the blood to your heart

arteries : blood vessels that take blood away from the heart

branch out to all parts of the body

become smaller and smaller

capillaries carry blood to every cell in your body

oxygen passes from blood into cells

carbon dioxide passes from cells into the blood

capillaries then become veins

veins: large blood vessels that return the blood to your heart

The Heart and Lungs Work Together the lungs and heart work together to bring oxygen into your body and take away carbon dioxide each time you breath in, the blood in your lungs gets fresh oxygen this blood goes to your heart and the heart pumps it to other parts of your body

the lungs and heart work together to bring oxygen into your body and take away carbon dioxide

each time you breath in, the blood in your lungs gets fresh oxygen

this blood goes to your heart and the heart pumps it to other parts of your body

the heart has 4 sections called chambers each chamber acts like a pump chambers keep blood that enters the heart from mixing with the blood that leaves the heart blood flows a one way path through the heart blood from the lungs enters the top left chamber muscles shorten - forcing blood out goes to the lower left chamber

the heart has 4 sections called chambers

each chamber acts like a pump

chambers keep blood that enters the heart from mixing with the blood that leaves the heart

blood flows a one way path through the heart

blood from the lungs enters the top left chamber

muscles shorten - forcing blood out

goes to the lower left chamber

lower left chamber is the main pump pushes blood through whole body when full pushes blood out of the heart and into the body’s largest artery the blood goes to all of the body carrying oxygen to cells and picking up carbon dioxide that returns to the heart blood with carbon dioxide returning to the heart goes to the top right chamber muscles in that chamber force the blood into the lower right chamber lower right chamber pumps blood to the lungs carbon dioxide leaves the blood and more oxygen enters

lower left chamber is the main pump

pushes blood through whole body

when full pushes blood out of the heart and into the body’s largest artery

the blood goes to all of the body carrying oxygen to cells and picking up carbon dioxide that returns to the heart

blood with carbon dioxide returning to the heart goes to the top right chamber

muscles in that chamber force the blood into the lower right chamber

lower right chamber pumps blood to the lungs

carbon dioxide leaves the blood and more oxygen enters

Summary lungs are the organs the body uses to breathe breathing trades carbon dioxide, a waste cells give off, for oxygen, which cells need blood carries gases to and from cells through blood vessels the heart pumps blood through the body

lungs are the organs the body uses to breathe

breathing trades carbon dioxide, a waste cells give off, for oxygen, which cells need

blood carries gases to and from cells through blood vessels

the heart pumps blood through the body

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