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Biology Y10 > Circulation > Flashcards

Circulation Flashcards

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1
Q

What organ is responsible for pumping the fluid

A

The heart

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2
Q

What is the fluid of the transport system?

A

Blood

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3
Q

Name 5 substances that blood transports around the body

A 
Oxygen
Carbon dioxide
Digested food
Heat
Waste
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4
Q

We have a —— ———. This means that blood travels though the heart twice to go round the body once.

A

Double circulation

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5
Q

Which side of the heart are the muscles thicker and stronger

A

Left

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6
Q

Name the four chambers of the heart

A

Left atrium
Right atrium
Left ventricle
Right ventricle

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7
Q

Arteries take blood

A

Away from to heart

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8
Q

Veins take blood

A

Towards the heart

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9
Q

Capillaries allow

A

Food and oxygen to move into tissues where it’s needed and carbon dioxide to move back into the blood

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10
Q

Red blood cells carry

A

Oxygen

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11
Q

White blood cells fight

A

Infections

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12
Q

Platelets help in blood

A

Clotting

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13
Q

A bad diet, stress and a lack of exercise can increase the risk of a

A

Heart attack

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14
Q

What is plasma

A

The liquid portion of the blood

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15
Q

What do red blood cells contain

A

Haemoglobin

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16
Q

Capillaries are

A

Narrow blood tubes

17
Q

Why do veins have valves

A

To keep the blood flowing in one direction

18
Q

How thick are a capillaries walls

A

One cell

19
Q

Why do arteries have thick muscular walls

A

To withstand high pressure

20
Q

What blood vessel carries food to the liver for storage

A

Hypatic Portal vein

21
Q

What blood vessel carries blood rich in oxygen away from the lungs

A

Pulmonary vein

22
Q

What blood vessel carries blood back to the heart

A

Vena cava

23
Q

What blood vessel carries blood to the lungs

A

Pulmonary artery

24
Q

What blood vessel carries blood rich in oxygen away from the heart

A

Aorta

25
Q

What blood vessel carries blood to the kidneys

A

Renal artery

26
Q

What does the heart do

A

The heart pumps blood to pick up oxygen and also pump blood containing sugar and oxygen to every cell in the body so they can carry out respiration

27
Q

What keeps the blood flowing in the right direction through the heart

A

A series of valves keep the blood flowing in the right direction. This prevents back flow.

28
Q

Why is the wall of the left ventricle thicker than the right.

A

The left side pumps blood around the body. The right side only needs to pump blood to the lungs. Therefore the left side needs to be stronger to pump out with a greater force.

29
Q

What is a double circulation system

A

This means that the blood travels round the heart twice to go around the body once.

Biology Y10 (5 decks)

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