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GCSE PE > Cardiovascular And Respiritory > Flashcards

Cardiovascular And Respiritory Flashcards

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1
Q

What is a vascular shunt?

A

Redistribution of blood

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2
Q

What is vascular dilating

A

Blood vessels increase in size to allow more blood through

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3
Q

What is vascular constricting

A

Blood vessels Decreasing in size to limit amount of blood passing theough

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4
Q

What is tidal volume

A

Volume of air inspired or expired per breath

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5
Q

What is breathing rate

A

Number of breaths per minute

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6
Q

What is minute ventilation

A

The amount of air a person breathes out in a minute

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7
Q

What is the formula for minute ventilation

A

Breathing rate x tidal volume

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8
Q

Where does gaseous exchange take place?

A

Alveoli

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9
Q

Describe the pathway of oxygen in inspiration

A

Mouth
Trachea
Bronchi
Bronchioles
Alveoli

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10
Q

What is a diastole

A

Heart fills with blood (relaxes)

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11
Q

What is a systole

A

Heart ejects blood (contracting)

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12
Q

What is the pressure like in an artery

A

High

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13
Q

How thick r artery walls

A

Thick-muscular

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14
Q

What is the pressure like in a vein

A

Low

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15
Q

What do veins contain to stop backflow of blood

A

Valves

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16
Q

What is the muscle around and inside the lungs?

A

External and intercostal

17
Q

What is the equation for aerobic excercise

A

Glucose + oxygen=co2 + energy +water

18
Q

What is the equation of anaerobic respiration

A

Glucose = energy + lactic acid

19
Q

What is the duration for aerobic excercise like

A

Long

20
Q

Where is the atrium

A

Top chambers

21
Q

What is a double circulatory system

A

consists of a pulmonary circuit which pumps blood from the right ventricle to be oxygenated at the lungs, and a systemic circuit which pumps blood from heart tp rest of body

22
Q

What is stroke volume

A

Volume of blood pumped out the the left ventricle each contraction

23
Q

What is the cardiac equation

A

Stroke volume x heart rate = cardiac output

24
Q

What does aerobic excercise use

A

Oxygen

GCSE PE (7 decks)

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