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Phyl 1010 > Respiratory System 1 > Flashcards

Respiratory System 1 Flashcards

1
Q

Respiratory system function

A

To recondition the blood to maintain homeostasis of plasma

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2
Q

Side effect of the function of the respiratory system

A

Loss of fluid and heat

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3
Q

What is cellular respiration

A

The use of O2 by cells to make ATP

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4
Q

What is external respiration?

A

The exchange of O2 & CO2 btw the organism and its external environment

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5
Q

What are the 5 steps of respiration

A
  1. Exchange 1
  2. Exchange 2
  3. Transport of gases in blood circulation
  4. Exchange 3
  5. Cellular respiration in tissues
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6
Q

Exchange 1 is also known as

A

Ventilation (breathing)

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7
Q

Exchange 1 is btw the ___________ and the ___________

A

Btw the atmosphere & lungs

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8
Q

Exchange 2 is btw the __________ & the __________

A

Btw the lungs and the blood

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9
Q

Exchange 3 is btw is btw the ____________ & the _____________

A

Btw the blood & the cells

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10
Q

Pulmonary circulation pressure

A
  • low pressure

- 25/8 mmHg

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11
Q

Pulmonary circulation resistance

A

Low resistance

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12
Q

Pulmonary circulation flow rate

A
  • high flow rate

- 5L/min

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13
Q

________L/500L of blood is in the capillaries

A

75L of blood is in the capillaries

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14
Q

What generates movement in the respiratory system

A

The skeleto-muscular pump generates movement

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15
Q

What is the ‘medium’ and what are the pathways in the respiratory system

A
  • medium = air

- pathway = airways

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16
Q

The upper respiratory tract consists of

A
  • mouth
  • nasal cavity
  • pharynx
  • larynx
17
Q

The lower respiratory tract is also known as the ________________ because …

A

Aka the thoracic portion because it is enclosed by the thorax

18
Q

The lower respiratory tract consists of

A
  • trachea
  • 2 primary bronchi (1 ‘bronchus’ to each lung)
  • their branches
  • lungs
19
Q

Thoracic cage

A

The thorax is bounded by the bones of the spine and rib cage and diaphragm (forms floor)

20
Q

What is the primary airway?

A

The trachea is the primary airway

21
Q

Air pathway

A
  • mouth/nasal cavity
  • pharynx
  • larynx
  • trachea
  • primary bronchi
  • bronchioles
  • alveoli
22
Q

What is the function of the nasal cavity?

A

Traps airborne particles by way of nasal hairs and mucus

23
Q

What is the pharynx

A

Throat

24
Q

What is the larynx and what does it contain

A

The “voice box”

Contains vocal cords

25
Q

What are the vocal cords

A

Connective tissue bands that vibrate & tighten to create sound when air moves past them

26
Q

What is the trachea also known as

A

The windpipe

27
Q

What is the trachea?

A

A semiflexible tube held open by 15-20 c-shaped cartilage rings

28
Q

Where does the trachea extend?

A

The trachea extends down the the thorax where is branches into primary bronchi

Phyl 1010 (1 decks)

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