The Circulatory and Cardiovascular Systems Vocabulary Important info Headings.
Cardiovascular & Circulatory Systems
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Transcript of Cardiovascular & Circulatory Systems
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CardiovascCardiovascular & ular &
CirculatoryCirculatorySystemsSystems
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Fun Facts!!!Fun Facts!!! If we looked at all the blood vessels in If we looked at all the blood vessels in
your body, what would the total length be?your body, what would the total length be? Around the world twice!Around the world twice!
How many times will How many times will your heart beat in a lifetime?your heart beat in a lifetime?
3 billion!!3 billion!!
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To lungs to get O2
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1. Function of CV system1. Function of CV system Provides nutrients and oxygen through bloodProvides nutrients and oxygen through blood Carries away waste (CO2)Carries away waste (CO2) Helps fight diseaseHelps fight disease
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Cardiovascular & Cardiovascular & Circulatory SystemCirculatory System
Three Parts:1.Heart 2.Blood Vessels3.Blood
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Structures - HeartStructures - Heart
1.Shape- Strawberry
2.Size-Fist3.Weight- 1 pound4.Location- Center
of the chest
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THE HEARTTHE HEART
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Heart - StructuresHeart - Structures 1. 1. SeptumSeptum – Divides – Divides
the Heart into Right the Heart into Right and Leftand Left
2. 2. ChambersChambers Atrium – Top (smaller) Atrium – Top (smaller) Ventricle- Bottom Ventricle- Bottom
(bigger)(bigger) 3 3 ValvesValves- keep blood - keep blood
flowing in one flowing in one directiondirection
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RT Side- Without 0xygenLT Side- With Oxygen
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Blood VesselsBlood Vessels 1. Arteries (RED) -Carries 1. Arteries (RED) -Carries
Blood Away from the HeartBlood Away from the Heart 2. 2. Veins (BLUE)- Veins (BLUE)- Carry Blood Carry Blood
Back to the HeartBack to the Heart 3. Capillaries -Where 3. Capillaries -Where
exchange of nutrients takes exchange of nutrients takes place (O2, Waste, Etc…)place (O2, Waste, Etc…)
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Blood VesselsBlood Vessels http://www.youtube.com/watch?v=CjNKbL
_-cwA Circulation- Circulation-
http://www.youtube.com/watch?http://www.youtube.com/watch?v=PgI80Ue-AMo&feature=relatedv=PgI80Ue-AMo&feature=related
Capillaries- Capillaries- http://www.youtube.com/watch?http://www.youtube.com/watch?v=Q530H1WxtOw v=Q530H1WxtOw
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Blood PressureBlood Pressure
120/80
Definition: The Force of the Blood against the Walls of the Arteries
Systole: Top Number of Blood Pressure (ventricles contracting) Diastole: Bottom Number of Blood Pressure (ventricles filled w/ blood and relaxed)
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Blood - FunctionBlood - Function
1.Carries food and oxygen to all cells
2.Rid the body of waste
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Blood Components Blood Components
1. Red Blood Cells 2. White Blood Cells3. Platelets 4. Plasma
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Red Blood CellsRed Blood Cells
1.Made in the Marrow of Bones
2.Carry Oxygen3.Hemoglobin
1.The Protein that attracts O2 to the RBC
2.Prone to Defect/illnesses
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White Blood CellsWhite Blood Cells 1.Made in the Marrow 1.Made in the Marrow
of Bonesof Bones 2. Defend the Body 2. Defend the Body
against Diseaseagainst Disease 3. Called Leukocytes3. Called Leukocytes
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PlasmaPlasma
1.The Liquid part of Blood (55% of blood)
2.Mostly Water
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Blood ComponentsBlood Components
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PlateletsPlatelets 1. Aid in the clotting of 1. Aid in the clotting of
bloodblood 2. How does it do 2. How does it do
this?this? Cut occurs. Platelets ActivatedCut occurs. Platelets Activated Platelets RUSH to the woundPlatelets RUSH to the wound Fibrin is released (Spider Web)Fibrin is released (Spider Web) Web is formed over WoundWeb is formed over Wound Trapped Cells Harden and Trapped Cells Harden and
form a Scabform a Scab
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PLATELETS = SPIDERMANPLATELETS = SPIDERMAN
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PLATELETS- STEP 1PLATELETS- STEP 1 Cut occurs…. Platelets Actived!
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PLATELETS – STEP 2PLATELETS – STEP 2 Platelets RUSH to the wound!
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PLATELETS- STEP 3PLATELETS- STEP 3 Fibrin is released (Spidey Web)
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PLATELETS – STEP 4PLATELETS – STEP 4 Web is formed over Wound.
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PLATELETS – STEP 5PLATELETS – STEP 5
-Trapped Cells Harden and form a Scab
SPIDEY SAVES THE DAY
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Blood TypesBlood Types
A, B, AB, OA, B, AB, O Donor-Person who gives bloodDonor-Person who gives blood Recipient- Person who receives bloodRecipient- Person who receives blood Clumping-Occurs when the blood types do Clumping-Occurs when the blood types do
not mixnot mix
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Blood TypesBlood TypesA, B, AB, O
Mix? A B * AB O
A Yes No YES No
B No Yes YES No
AB No No YES No
* O YES YES YES YES
RecipienRecipientt
DDoonnoorr
*O = Universal Donor *AB =Universal Recipient
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SO HOW DOES BLOOD SO HOW DOES BLOOD MOVE THROUGH THE MOVE THROUGH THE HEART AND BODY???HEART AND BODY???
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Lets see how the heart Lets see how the heart worksworks
http://www.youtube.com/watch?v=mH0QTWzU-xI
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PULMONARY- BLOOD WITH LITTLE OXYGEN IS PUMPED FROM RT SIDE OF PULMONARY- BLOOD WITH LITTLE OXYGEN IS PUMPED FROM RT SIDE OF HEART TO LUNGSHEART TO LUNGS
SYSTEMIC- BLOOD RICH WITH OXYGEN IS FROM LT SIDE OF HEART TO SYSTEMIC- BLOOD RICH WITH OXYGEN IS FROM LT SIDE OF HEART TO CELLS OF THE BODYCELLS OF THE BODY
MYOCARDIUM- SPECIAL TYPE OF MUSCLE THAT HELPS HEART CONTRACT MYOCARDIUM- SPECIAL TYPE OF MUSCLE THAT HELPS HEART CONTRACT RHYTHMICALLY RHYTHMICALLY
Circulation Circulation
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Superior Vena Cava
Aorta
Tricuspid Valve
Inferior Vena Cava
RT Ventricle
Septum
Bicuspid Valve
LT Ventricle
RT Atrium
LT Atrium
Pulmonary Artery
Pulmonary Vein
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1. Blood enters through 1. Blood enters through superiorsuperior and and inferior vena cavainferior vena cava
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2. The blood enters the 2. The blood enters the right atriumright atrium
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4. Blood spills into 4. Blood spills into right right ventricleventricle
3. Blood passes through Tricuspid Valve
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5. Blood enters the 5. Blood enters the pulmonary pulmonary arteries.arteries.
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6. From here, blood goes to 6. From here, blood goes to your your lungslungs to pick up to pick up O2O2
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7. Oxygen rich blood returns to 7. Oxygen rich blood returns to your heart through your heart through pulmonary pulmonary veins veins
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8. Blood enters 8. Blood enters left atrium.left atrium.
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10. Blood enters the 10. Blood enters the left left ventricleventricle
9. Blood passes through Bicuspid Valve
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11. Blood is pumped through the 11. Blood is pumped through the aortaaorta and delivered to rest of and delivered to rest of bodybody..
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Pathway of Blood Through Pathway of Blood Through the Heartthe Heart Any questions?Any questions? Lets watch it again…Lets watch it again…
http://www.youtube.com/watch?v=JA0Wb3gc4mE