heart is an extraordinary organ that has incredible ... · the heart is an extraordinary organ that...
TRANSCRIPT
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The heart is an extraordinary organ that has incredible endurance and strength
The heart beats
60 times per minute
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100,000 times per day
The heart is an extraordinary organ that has incredible endurance and strength
The heart beats
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Over 2.5 billion times per lifetime
The heart is an extraordinary organ that has incredible endurance and strength
The heart beats
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This talk focuses on the importance of the heart, its anatomy, and how blood flows through the heart and body
Anatomy of the heart
Blood flow throughthe heart and body
Importance of blood for the body
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The heart functions to pump blood to all parts of the body in order to supply oxygen to cells
Red blood cell
Hemoglobin
Oxygen molecule
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Tissue
Capillary
Red blood cell
The heart functions to pump blood to all parts of the body in order to supply oxygen to cells
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The heart functions to pump blood to all parts of the body in order to supply oxygen to cells
= O2
= Nutrients
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The heart functions to pump blood to all parts of the body in order to supply oxygen to cells
= CO2
= Wastes= O2
= Nutrients
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There are three main components of the heart through which blood flows: chambers, great vessels, and valves
Right Left
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Chambers
There are three main components of the heart through which blood flows: chambers, great vessels, and valves
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Great vessels
There are three main components of the heart through which blood flows: chambers, great vessels, and valves
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Valves
There are three main components of the heart through which blood flows: chambers, great vessels, and valves
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There are three main components of the heart through which blood flows: chambers, great vessels, and valves
Lungs
Heart Body
Heart
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The four chambers of the heart contract in order to pump blood through the heart and to the body and lungs
Chambers
Right atrium
Left atrium
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Chambers
Right atrium
Right ventricle
Left ventricle
Left atrium
The four chambers of the heart contract in order to pump blood through the heart and to the body and lungs
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The great vessels carry blood between the body, heart, and lungs
Great Vessels
Aorta
Pulmonary vein
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The great vessels carry blood between the body, heart, and lungs
Great Vessels
Superior and inferior vena cava
Pulmonary artery
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There are four valves in the heart which open to let blood pass and subsequently close to prevent backflow
Valves
Mitral valve
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There are four valves in the heart which open to let blood pass and subsequently close to prevent backflow
Valves
Mitral valve
Aortic valve
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There are four valves in the heart which open to let blood pass and subsequently close to prevent backflow
Valves
Tricuspid valve
Aortic valve
Mitral valve
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There are four valves in the heart which open to let blood pass and subsequently close to prevent backflow
Valves
Tricuspid valve
Pulmonary valve
Aortic valve
Mitral valve
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Oxygenated blood begins its journey through the body in the lungs
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The left side of the heart is responsible for pumping oxygenated blood out to the cells of the body
Lungs
Left atrium
Left ventricle
Aorta to body
Pulmonary vein
Mitral valve
Aortic valve
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The left side of the heart is responsible for pumping oxygenated blood out to the cells of the body
Lungs
Left atrium
Left ventricle
Aorta to body
Pulmonary vein
Mitral valve
Aortic valve
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The left side of the heart is responsible for pumping oxygenated blood out to the cells of the body
Lungs
Left atrium
Left ventricle
Aorta
Pulmonary vein
Mitral valve
Aortic valve
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The left side of the heart is responsible for pumping oxygenated blood out to the cells of the body
Lungs
Left atrium
Left ventricle
Aorta
Body
Pulmonary vein
Mitral valve
Aortic valve
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The right side of the heart collects deoxygenated blood from the body and pumps it to the lungs
Body
Right atrium
Superior/inferior vena cava
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The right side of the heart collects deoxygenated blood from the body and pumps it to the lungs
Body
Right atrium
Right ventricle
Superior/inferior vena cava
Tricuspid valve
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The right side of the heart collects deoxygenated blood from the body and pumps it to the lungs
Body
Right atrium
Right ventricle
Pulmonary artery
Superior/inferior vena cava
Tricuspid valve
Aortic valve
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The right side of the heart collects deoxygenated blood from the body and pumps it to the lungs
Body
Right atrium
Right ventricle
Pulmonary artery
Lungs
Superior/inferior vena cava
Tricuspid valve
Aortic valve
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Simultaneous contraction of the atria and then the ventricles pumps blood through the heart
Pulmonary vein
Left atrium
Mitral valve
Left ventricle
Aortic valve
Aorta
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Simultaneous contraction of the atria and then the ventricles pumps blood through the heart
Superior/inferior vena cava
Right atrium
Tricuspid valve
Right ventricle
Pulmonary valve
Pulmonary artery
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In summary, the heart’s well organized series of vessels, chambers, and valves help supply oxygen to the body