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Physics > Cardiovascular system > Flashcards

Cardiovascular system Flashcards

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1
Q

What does the cardiovascular system consist of

A

The blood
The blood vessels
The heart

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2
Q

Function of blood in cardiovascular system

A

The medium that the gases, blood cells and nutrients are transported in

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3
Q

Function of blood vessels In cardiovascular system

A

The structures that carry the blood

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4
Q

Function of cardiovascular system

A 
Transport of oxygen
Transport of carbon dioxide 
Transport of nutrients 
Regulation of body temp 
Clotting of open wounds
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5
Q

What is transport of oxygen and how is this relevant to physical performance

A

Cardiovascular system transports oxygen around the body in the blood
It carries oxygen to the muscles and vital organs
Oxygen is needed in energy production for physical activity to continue working aerobically

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6
Q

What is transport of carbon dioxide and how is this relevant to physical performance

A

Carbon dioxide is produced as a by product during energy production
The cardiovascular system takes this away from muscles to get rid of it from the body

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7
Q

What is transport of nutrients and how is this relevant to physical performance

A

Nutrients are broken down from the food we eat and transported to the body in the blood
Athletes need macro and micro nutrients in order to preform well

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8
Q

What is clotting of open wounds and how is this relevant to physical perform

A

Platelets that are transported in the blood help to clot wounds by gathering at the site and forming a plug to prevent blood loss
Clotting blood is needed for instance if a performer falls and grazes their knee, so that they can stay on the field of play.

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9
Q

What is regulation of body temp and how is this relevant to physical performance

A

Heat is a byproduct of energy production
Temperature can either rise or drop
Body attempts to keep constant temperature

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10
Q

When does body temperature rise

Cardiovascular system

A

The blood vessels under the skin increase diameter (vasodilation)
To increase blood flow to the capillaries under the surface of the skin so heat can radiate from the skin

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11
Q

When does body temperature drop

Cardiovascular system

A

Blood vessels under the skin decrease in diameter (vasoconstriction) to decrease blood flow to the capillaries under the surface of the skin so less heat is lost by radiation

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12
Q

Which of the following is a function of the cardiovascular system

Breathing in air contains oxygen
Regulation body temp
Protection and muscle attachment
Breathing out air containing co2

A

Regulation body temp

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13
Q

Explain how the cardiovascular system helps regulate body temperature when the skier starts to get cold

A

Blood vessels close to the skin surface vasoconstrict to reduce the amount of warm blood going to the surface of the skin and heat being lost by radiation

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14
Q

Tricuspid valve

A

On the right side of the heart

Between the right atrium and right ventricle

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15
Q

Bicuspid valve

A

Left side of the heart

Between left atrium and left ventricle

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16
Q

Semilunar valve

A

Between between the ventricles and and the pulmonary artery and vein

17
Q

What are valves and Why are they important

A

They prevent back flow by shutting behind blood that has passed

18
Q

Vena cava

A

Main vein bringing deoxygenated blood back to the heart so it can be pumped to lungs to collect oxygen

19
Q

Aorta

A

Main artery carries oxygenated blood to away from the left ventricle to take oxygen to working muscles

20
Q

Pulmonary artery

A

Received deoxygenated blood from the right ventricle to take to the lungs to receive oxygen

21
Q

Pulmonary vein

A

Brings oxygenated blood from lungs to left atrium

22
Q

Right atrium

A

Receives deoxygenated blood from the body via the vena cava

23
Q

Left atrium

A

Received oxygenated blood from the lungs via the pulmonary vein

24
Q

Right ventricle

A

Receives deoxygenated blood from the right atrium via the tricuspid valve

25
Q

Left ventricle

A

Received oxygenated blood from the left atrium via the bicuspid valve

26
Q

Septum

A

The wall that separates the left and right sides of the heart

27
Q

What is the order of the components assisting in the blood flow
Starting with deoxygenated blood going back to heart

A 
Vena cava
Right atrium 
Tricuspid valve 
Right ventricle 
Semilunar valve 
Pulmonary artery 
Lungs 
Pulmonary veins 
Left atrium 
Bicuspid valve 
Left ventricle 
Semilunar valve 
Aorta 
Muscles

Physics (4 decks)

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