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A-Level PE Anatomy And Physiology > Regulation of Breathing During Exercise and Recovery > Flashcards

Regulation of Breathing During Exercise and Recovery Flashcards

1
Q

What are the two additional muscles that help with inspiration during exercise

A
  1. Sternocleidomastoid

2. Pectoralis minor

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2
Q

What are the two additional muscles that aid with expiration during exercise

A
  1. Internal intercostals

2. Rectus abdominus

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3
Q

Is inspiration active or passive during exercise

A

Active

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4
Q

Is expiration active or passive during exercise

A

Active

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5
Q

During inspiration the diaphragm and external intercostals…

A

Contract more

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6
Q

During inspiration the sternocleidomastoid and pectoralis minor…

A

Contract

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7
Q

During inspiration the rib cage moves…

A

Up and out more

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8
Q

During inspiration the volume of the thoracic cavity…

A

Increases more

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9
Q

During inspiration the pressure inside the lungs…

A

Decreases more

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10
Q

During exercise a larger volume of air moves…

A

Into the lungs

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11
Q

As a result of the changes to inspiration and expiration, what happens to breathing

A

Breathing frequency increases

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12
Q

During expiration, the external intercostals and diaphragm…

A

Relax more

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13
Q

During expiration the rectus abdominus and internal intercostals…

A

Contract

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14
Q

During expiration the rib cage moves…

A

Down and in more

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15
Q

During expiration the volume of the thoracic cavity…

A

Decreases more

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16
Q

During expiration the pressure inside the lungs…

A

Increases more

17
Q

During expiration a greater visual of air moves…

A

Out the lungs

18
Q

What is the chemical control receptor

A

The chemoreceptors

19
Q

What are the three neural control receptors

A
  1. Thermoreceptors
  2. Proprioceptors
  3. Baroreceptors
20
Q

Define the respiratory control centre (RCC)

A

The RCC is situated in the brain and controls breathing rate and depth

21
Q

Define what the inspiratory centre does (IC)

A

Part of the RCC that controls inspiration

22
Q

Define what the expiratory centre is (EC)

A

The EC is part of the RCC that controls expiration

23
Q

Define what the phrenic nerve is

A

The phrenic nerve stimulates the diaphragm to contract

24
Q

Define what the intercostal nerve does

A

The intercostal nerve stimulates the external intercostals to contract

25
Q

Describe what the Hering-Breuer reflex is (3 parts)

A
  1. Specialised baroreceptors between ribs that monitor lung stretch
  2. When a threshold is reached it stimulates the EC to become active which stimulates the additional muscles to contract
  3. Causes a faster and greater expiration

A-Level PE Anatomy And Physiology (35 decks)

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