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Science > Circulatory Systems > Flashcards

Circulatory Systems Flashcards

1
Q

Erythocytes

A

Red blood cells

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2
Q

leucocytes

A

White blood cells

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3
Q

Plasma

A

The yellowish liquid part of the blood that contains water, minerals food and wastes from cells

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4
Q

red blood cells

A

Living cells in the blood that transport oxygen to other cells

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5
Q

Haemoglobin

A

The red pigment in red blood cells

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6
Q

oxyhaemoglobin

A

Haemoglobin with oxygen molecules

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7
Q

White blood cells

A

Living cells that fight bacteria and viruses as part of the immune system

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8
Q

Platelets

A

Small bodies involved in blood clotting

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9
Q

Arteries

A

hollow tubes with thick walls carrying blood.

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10
Q

Capillaries

A

Minute tubes carrying blood to body celss.

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11
Q

Veins

A

Blood vessels that carry blood to the heart.

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12
Q

Oxygenated blood

A

Describes the bright red blood taht has been supplied with oxygen.

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13
Q

Vena Cava

A

Large vein leading into the top right chamber of the heart

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14
Q

Atriums

A

Upper sections of the heart where blood enters and leaves

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15
Q

Ventricles

A

Lower section of the heart that pumps blood through the body.

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16
Q

Valves

A

Flap like folds in the lining of a blood vessel or hollow organ

17
Q

Lub dub

A

The sound made by heart valves as they close

18
Q

Blood pressure

A

Measures how strongly the blood is pumped through the body’s main arteries

19
Q

systolic pressure

A

The higher blood pressure reading during the contraction of the heart muscles

20
Q

Diastolic pressure

A

The lower blood pressure reading during relaxation of the heart muscles

21
Q

Heart beat

A

The contraction of the heart muscle.

22
Q

pulse

A

Alternating contraction and expansion of arteries due to the pumping of blood by the heart.

23
Q

Pace maker

A

Electronic device inserted in the chest to keep the heart beating

24
Q

Cardiac muscle

A

The specil muscle in the heart that never tires

Science (7 decks)

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