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Biology 12: Circulatory System > Down > Flashcards

Down Flashcards

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1
Q

Occurs on the left side of heart

A

Systematic circulation

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2
Q

These veins return blood from head

A

Jugular veins

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3
Q

Prevents the back flow of blood as the right ventricle contracts to pump blood to the lungs

A

Pulmonary semilunar valve

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4
Q

Created by the presence of salts and plasma proteins found in blood

A

Osmotic pressure

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5
Q

Takes blood from heart to small intestines

A

Mesentery artery

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6
Q

Known as the pacemaker, as it initiates the heartbeat

A

The SA node

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7
Q

The expansion of blood vessels during systole

A

Pulse

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8
Q

Substances tend to move into the cells on what side of the capillaries

A

Arterial

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9
Q

Number of layers of tissue in arteries

A

3

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10
Q

A device used for measuring blood pressure

A

Sphygmomanometer

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11
Q

Blood pressure is lowest in the

A

Venules and veins

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12
Q

Type of muscle found in the heart

A

Cardiac

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13
Q

Carry blood to head

A

Carotid arteries

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14
Q

Substances tend to move out of cells and into blood on what side of capillaries

A

Venous

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15
Q

Structures in veins which prevent the back flow of blood

A

Valves

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16
Q

Tiny blood vessels which deliver nutrients to individual cells

A

Capillaries

17
Q

Returns blood from the parts of the body that are above heart

A

Superior vena cava

18
Q

Max contraction of the ventricles - highest pressure

A

Systole

19
Q

The wall which divides the 2 sides of the heart

A

Septum

20
Q

These arteries and veins take blood to and from the arms

A

Subclavian arteries

21
Q

Another name for the left atrioventricular valve

A

Bicuspid

22
Q

Take blood to ❤️

A

Coronary arteries

23
Q

What is affected by stress, oxygen levels, exercised and blood pressure

A

Heart rate

24
Q

Total cross sectional area of the blood vessels is highest in where

A

Capillary beds

25
Q

Carry electrical signal down to ventricles to initiate contraction

A

Purkinje fibres

26
Q

The aorta divides into

A

Iliac arteries is n the pelvic region

27
Q

These muscles can contract to stop blood flow to capillary beds in certain areas of body

A

Sphincter

28
Q

Capillaries are only how thick in order to allow the most efficient transport of materials across their walls

A

One cell layer

29
Q

Where blood first leaves the left ventricle

A

Aortic arch

30
Q

One of the layers found in the arteries which allows them to “stretch” during a pulse

A

Elastin

Biology 12: Circulatory System (2 decks)

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