THE HEART AND CIRCULATION

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WHAT IS THE FUNCTION OF THE HEART?
TO PUMP BLOOD AROUND THE BODY
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WHAT IS THE FUNCTION OF THE VALVES?
TO PREVENT BLOOD FROM FLOWING BACKWARDS
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WHAT DOES THE SEPTUM DO?
TO SEPARATE THE TWO SIDES OF THE HEART
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WHICH SIDE OF THE HEART DEALS WITH DEOXYGENATED BLOOD?
RIGHT
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HO MANY CHAMBERS DOES THE HEART HAVE?
4
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AFTER THE BLOOD GOES THROUGH THE VENA CAVA, WHAT THREE PLACES DOES IT GO THROUGH BEFORE GOING TO THE LUNGS?
1) right atrium 2) Right ventricle 3) pulmonary artery
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WHAT ORGAN REMOVES UREA
THE KIDNEYS
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WHAT 4 THINGS IS THE BLOOD MADE OF?
PLASMA, PLATELETS, WHITE BLOOD CELLS AND RED BLOOD CELLS
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WHAT SHAPE IS THE BLOOD?
BICONCAVE DISCS
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WHY ARE THEY THIS SHAPE?
TO HAVE A LARGER SURFACE AREA TO TRANSPORT GLUCOSE AND OXYGEN
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DO RED BLOOD CELLS HAVE A NUCLEUS? WHY?
NO- TO HAVE MORE SPACE FOR OXYHAEMOGLOBIN
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WHAT DO THE ARTERIES DO?
CARRY BLOOD AWAY FROM THE HEART
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WHAT DO THE VEINS DO?
CARRY BLOOD THE THE HEART
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WHAT DO THE CAPILLARIES DO?
CARRY BLOOD THROUGH THE ORGANS AND BODY CELLS
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IN THE CAPILLARIES, THE LUMEN IS...
NARROW
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IN THE VEIN THE LUMEN IS....
WIDE
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IF THE VESSELS ARE CONSTRICTED WITH FATTY DEPOSITS, WHAT MEDICAL PROCEDURE CAN BE DONE?
STENTS
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HOW IS THIS DONE?
A STENT IS INSERTED IN THE BLOOD VESSEL. THE BALLOON IS THEN INFLATED TO OPEN THE VESSEL AND STENT. THE BALLOON IS TAKEN OUT BUT THE STENT REMAINS AND HOLDS THE VESSEL OPEN.
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Other cards in this set

Card 2

Front

WHAT IS THE FUNCTION OF THE VALVES?

Back

TO PREVENT BLOOD FROM FLOWING BACKWARDS

Card 3

Front

WHAT DOES THE SEPTUM DO?

Back

Preview of the front of card 3

Card 4

Front

WHICH SIDE OF THE HEART DEALS WITH DEOXYGENATED BLOOD?

Back

Preview of the front of card 4

Card 5

Front

HO MANY CHAMBERS DOES THE HEART HAVE?

Back

Preview of the front of card 5
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