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Biology Triple Science > Cardiovascular System > Flashcards

Cardiovascular System Flashcards

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1
Q

What is the function of the cardiovascular system?

A

To transport nutrients to cells and waste away from cells so it can be removed from the body

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2
Q

What is the function of the heart?

A

To pump blood around the body

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3
Q

What are the 3 types of blood vessel?

A

Arteries
Veins
Capillaries

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4
Q

What is the function of arteries?

A

To transport blood away from the heart

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5
Q

What is the function of veins?

A

To transport blood back to the heart

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6
Q

What is the function of capillaries?

A

To transfer nutrients to cells
To collect waste from cells

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7
Q

How are arteries adapted to carry high pressure blood?

A

Thick, elastic walls

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8
Q

How are veins adapted to carry low pressure blood?

A

Wide lumen
Has valves

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9
Q

How are capillaries adapted to transfer nutrients and waste?

A

Only one cell wide

Walls only one cell thick

You have billions of them!

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10
Q

What are the 4 chambers of the heart?

A

Right atrium

Right ventricle

Left atrium

Left ventricle

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11
Q

Which side of the heart contains oxygenated blood?

A

The left side

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12
Q

What artery takes blood to the body?

A

Aorta

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13
Q

What artery takes blood to the lungs?

A

Pulmonary Artery

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14
Q

What vein brings blood from the lungs to the heart?

A

Pulmonary Vein

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15
Q

Which vein brings blood from the body to the heart?

A

Vena Cava

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16
Q

Describe the function of valves and where do you find them?

A

Prevent blood flowing backwards

You find them in the heart and in the veins

17
Q

Describe the function of pacemaker cells.

A

Controls the heart rate How many beats per minute

18
Q

In what chamber are the pacemaker cells found?

A

Right atrium

19
Q

State the 4 components of blood.

A

Red blood cells

White blood cells

Plasma

Platelets

20
Q

Describe the function of red blood cells.

A

Carry oxygen

21
Q

Describe the function of white blood cells.

A

Destroy pathogens

22
Q

Describe the function of platelets.

A

Help blood to clot

23
Q

Describe the function of plasma.(Give Examples)

A

Carries dissolved nutrients and waste

Glucose

Carbon dioxide

Urea

Biology Triple Science (7 decks)

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