Circulatory System Flashcards

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1
Q

What are the 4 things that blood is made of

A
  1. ) plasma
  2. ) red blood cells
  3. ) white blood cells
  4. ) platelets
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2
Q

Plasma

A

Carries heat around the body, the liquid part of blood and is mainly made up of water

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3
Q

Red blood cells

A

Transport oxygen

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4
Q

Where are red blood cells made?

A

In the bone marrow

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5
Q

What does red blood cells contain?

A

Haemoglobin

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6
Q

What is haemoglobin

A

The red pigment in blood

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7
Q

White blood cells

A

Fight infections

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8
Q

Where are white blood cells made?

A

Bone marrow

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9
Q

Platelets

A

Clot blood

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10
Q

Where are platelets formed

A

In bone marrow, when large cells break down into smaller pieces

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11
Q

What are the 3 main types of blood vessels

A

Arteries
Veins
Capillaries

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12
Q

The heart

A

Pumps blood around the body. 70 beats per min.

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13
Q

Cardiac muscle

A

A muscle that makes up the heart that is very strong and does not tire easily.

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14
Q

What are the 4 chambers of the heart

A

Right and left atrium (top)

Right and left ventricles (bottom)

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15
Q

What are the parts of the heart?

A

Chambers
Septum
Heart valves

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16
Q

Septum

A

The muscle that separates the right and left side of the heart.

17
Q

Heart valves

A

Makes sure that the blood can only flow in one direction

18
Q

Vena cava

A

Takes blood, low in oxygen from the body to the right atrium

19
Q

Pulmonary artery

A

Takes blood low in oxygen from right ventricle to lungs

20
Q

Pulmonary vein

A

Takes oxygen-rich blood from lungs to the right atrium.

21
Q

Aorta

A

Takes oxygen-rich blood from left ventricle to the body

22
Q

What does a heartbeat cause?

A

A pulse of blood in the artery

23
Q

What causes heart disease?

A

Smoking
Unhealthy eating
No exercise