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Biology > Respiration and Circulation > Flashcards

Respiration and Circulation Flashcards

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1
Q

What is the name of the area of the heart that on the diagram is in the top left

A

right atrium

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2
Q

What is the name of the area of the heart that on the diagram is in the bottom left

A

right ventricle

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3
Q

What is the name of the area of the heart that on the diagram is in the top right

A

left atrium

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4
Q

What is the name of the area of the heart that on the diagram is in the bottom right

A

left ventricle

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5
Q

what is the name of the part of the heart that on the diagram is the tube that comes out of the top to the left

A

pulmonary artery

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6
Q

what is the name of the part of the heart that on the diagram is the tube that comes out of the top to the right

A

aorta

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7
Q

name the chambers of the heart

A

L&R atrium, L&R ventricle, aorta, pulmonary artery

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8
Q

Name the 4 components of blood

A

plasma, red blood cells, white blood cells, platelets

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9
Q

Which part of blood is a pale yellow liquid?

A

Plasma

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10
Q

Which part of blood clump together to form clots?

A

platelets

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11
Q

What is the red pigment found in red blood cells called and what does it do?

A

haemoglobin, carries oxygen in red blood cells

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12
Q

Which part of blood transports carbon dioxide?

A

plazma

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13
Q

Where does the heart pump blood to?
Right side:
Left side:

A

Right side: lungs
Left side :around body

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14
Q

Name 3 types of blood vessel

A

arteries, veins, capillaries

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15
Q

what are the features of arteries

A

thick elastic walls, carries blood away from heart at high pressure

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16
Q

what are the features of veins

A

low pressure, carrys blood to heart , valves ,thinner walls

17
Q

what are the features of capillaries

A

thin walls (1 cell thick) low pressure, narrow, delivers blood to cells

18
Q

Which blood vessels carry blood away from the heart?

A

arteries

19
Q

Which blood vessels carry blood towards the heart

A

veins

20
Q

Why do arteries have strong walls?

A

because the blood is at high pressure

21
Q

What is the coronary artery?

A

artery that supplys heart muscle with oxygen

22
Q

Why does the heart need its own blood supply?

A

cardiac muscle needs oxygen

23
Q

Why do arteries have elastic walls?

A

to come with high pressure

24
Q

How is blood kept moving in the large veins of the legs?

A

muscle push against veins to help squeeze blood to heart (valves stop blood going backwards)

25
Q

what’s the name of the indicator that was used to test respiration

A

biocarbonate indicator

26
Q

what colours is biocarbonate indicator in what environments

A

decreased levels of carbon dioxide : purple
normal levels of carbon dioxide : dark red/orange
increased levels of carbon dioxide : yellow

27
Q

what is plaque made of

A

cholesterol

28
Q

what is plaque

A

fatty patches that form inside arteries, they can cause heart disease

29
Q

what are the consequences of heart disease

A

heart attack

Biology (5 decks)

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