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Science > Circulatory System > Flashcards

Circulatory System Flashcards

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1
Q

Blood

A

Composed of 55% plasma

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2
Q

Capillaries

A

Network of tiny blood vessels
Artery connects to vein
Tiny blood vessels
Exchange from oxygen, nutrients glucose (which diffuses in ) with carbon dioxide &other waste materials (diffuses out)

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3
Q

Veins

A

Deoxygenated blood is carried back to heart through these
Blood vessel where deoxygenated blood go
Carries blood to heart
Needs valve to keep going

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4
Q

Circulatory system

A

A system that moves blood throughout your body

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5
Q

Heart

A

A muscular organ that pumps blood throughout body

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6
Q

Atrium (left, right)

A 
Chambers
Allow the blood to move from body into heart. 
*blood always go to atrium
Left: received blood from lungs
Right: received blood from body
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7
Q

Ventricle

Left, Right

A 
Chambers
Pumps blood out of heart
*blood leaves from ventricle
Left: pumps blood to body
Right: pumps blood to lungs
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8
Q

Valve

A

Flap of tissue
Between chambers/ doesn’t allow blood to flow backwards
One way door

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9
Q

Aorta

A

Largest artery

Branch into smaller arteries until capillaries

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10
Q

Arterioles

A

Smallest artery
Which reaches capillaries
Also carries blood away, near the end close to cell diffuses into cell

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11
Q

Venule

A

Smallest veins

Helps deoxygenated blood reach vein

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12
Q

Arteries

A

Blood vessels that carry oxygenated blood
Carry blood away from heart
Thick walls to contain high pressure no burst

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13
Q

Types of blood (4)

A

Plasma (liquid that contains protein minerals &other substances)
Red blood cells (carry oxygen, rich in iron)
White blood cells (fight infections)
Platelets (clot blood, form scabs)

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14
Q

Oxygenated blood and deoxygenated blood

A

Oxygenated blood contains oxygen no carbon dioxide by dropped off @ lungs)
Deoxygenated blood doesn’t contain oxygen had carbon dioxide

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15
Q

Which side of heart collects blood from body and pimps to lungs?

A

Right (atrium, ventricle)

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16
Q

Which chamber receives blood from lungs?

A

Left atrium

17
Q

Which ventricle is more muscular?

A

Left bc longer distance

18
Q

Blood flow (6)

A 
-superior inferior vena cava
Right atrium
-valve 
Right ventricle
-pulmonary artery
Lungs
-pulmonary veins
Left atrium
-valve 
Left ventricle
-aorta 
To body
Leaves through artery
19
Q

Colour exception

A

Pulmonary artery- blue

Pulmonary veins- red

20
Q

Structures in circulatory system

A

Heart and blood vessels

Science (7 decks)

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