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GCSE PE > Soc 16- The Structure Of The Blood Vessles And Blood Distrubution > Flashcards

Soc 16- The Structure Of The Blood Vessles And Blood Distrubution Flashcards

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1
Q

Veins

A

Carry deoxygenated blood back into the heart

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2
Q

Veins 4 characteristics

A

Veins carry blood into the heart
Veins have much thinner walls
Veins contain many valves
Pulmonary veins carry oxygenated blood

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3
Q

Why is the pulmonary vein is different to other veins

A

As it carries oxygenated blood from the lungs back to the heart

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4
Q

Why do veins contain many valves

A

helps deoxygenated blood flow to the heart

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5
Q

Arteries 4 main characteristics

A

Arteries takes deoxygenated blood away from the heart

Arteries have thick walls

The pulomnary artery carries deoxygenated blood from the heart to lungs

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6
Q

What channel does the blood travels through the Arteries called

A

Lumen - can widen to allow more blood through so when you exercise it can reach the working muscle.

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7
Q

How is the pulmonary arterie different from other arteries

A

It carries deoxygented blood from the heart to the lungs

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8
Q

4 main characteristics of the Capillaries

A

Microscopic vessle- one cell thick

At one end the capillaries carry deoxygenated blood which transfers oxygen and nutrients to muscles

Capillaries are where gaseous exchange takes place

Capillaries carry deoxygenated blood into the veins, picking up waste products and taking them around the body to dispose of them

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9
Q

How thick are the Capillaries vessles

A

Microscopic just one cell thick

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10
Q

Immune system

A

The structures and process in your bidy that stop disease

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11
Q

Thrombokinase

A

Substance involved in blood clotting process

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12
Q

Plasma

A

The fluid part of blood

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13
Q

Erythrocyte

A

Red blood cell

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14
Q

Haemogoblin

A

A red protein in the blood that transports oxygen

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15
Q

Anaemia

A

A condition where there is a lack of red red cells or haemogoblin in the blood

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16
Q

Pathogen

A

An agent that causes disease, such a virus

17
Q

Antibody

A

Chemical that destroyd a pathogen

18
Q

Blood pressure

A

Is a measure of the force that yout heart uses to pump the blood around your body

19
Q

What are the 4 components that blood is made up of

A

Red blood cells
White blood cells
Platlets
Plasma

20
Q

What do red blood cells contain

A

They contain haemogoblin, which stores oxygen and carbon dioxide

21
Q

What do white blood cells produce

A

They produce antibodies to fight againts infection and diseases

22
Q

What do the white blood cells help the body to protect

A

The white blood cells help protect the bodys immune system from viruses and bacteria

23
Q

Where are platelets formed

A

Blood platelets are formed in bone marrow

24
Q

Platelets

A

Tiny fragments that clump together to help blood clot and stop bleeding

25
Q

What is the bodys first line of defence when repairing a wound

A

The blood is the first line of defence in the repair of a wound

26
Q

What happens when a blood vessle gets cut

A

Platelets rush to the area and swell into irregular shapes, they become sticky and act as a plug

27
Q

Whats the main role of the plasma

A

The plasma takes oxygen, nutrients,hormones and protiens to the parts of the body that need it

28
Q

Where do cells up their waste prodcuts in

A

Cells put thier wast prodcuts into the plasma then helps remove the wast from the body

29
Q

Capillaries main characteristics

A

Microscopic vessles
Carry oxygenated blood
Carry deoxygenated blood
Are where gaseous exhange takes place

30
Q

What are the main vessles of the heat

A

The lungs and the body

31
Q

Double circulatory system

A

A double chemistry sysetm is one where the blood has to pass throught the heart on eah crcuit of the body

32
Q

Double circulatory system

A

A double chemistry sysetm is one where the blood has to pass throught the heart on eah crcuit of the body

33
Q

The main 2 atriums of the heart

A

Left atrium and right artrium

34
Q

2 main ventricles of the heart

A

Left ventricle and right ventricld

35
Q

3 main valves of the heart

A

Semi-lunar valves
Tricuspid valve
Bicuspid valve

36
Q

4 main blood flow and air flow entrences of the heart

A

Pulonary artery
Pulmonary vein
Aorta
Vena cava

37
Q
  1. Blood enters the right atrium and is pumped to the right ventricle
  2. The right ventricle pumps blood to the lungs via the pulmonary artery
  3. In tbe lungs oxygen is added to the blood
  4. Oxygen-rich blood returnes to the heart through the pulmonary veins
  5. The hearts eletrical system controls the heart beat , causing the heart to contract and pump bloo
A

GCSE PE (18 decks)

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