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Cardiovascular System > Module 5 > Flashcards

Module 5 Flashcards

1
Q

What is the respiratory systems 2 main functions?

A

Bring oxygen gas into the body & export carbon dioxide

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2
Q

Where does gas exchange between inhaled air and blood occur?

A

Alveoli

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3
Q

What protects the respiratory system?

A

Thoracic cage

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4
Q

What makes up 78% of air we breath in?

A

Nitrogen gas

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5
Q

What does nitrogen gas we breath in do?

A

Help hold airways open

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6
Q

What makes up 21% or air we breath in?

A

Oxygen gas

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7
Q

What does oxygen gas do?

A

Required for metabolic activity

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8
Q

What is ventilation?

A

Movement of air into the lungs

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9
Q

What is ventilations 2 components

A

Inhalation & exhalation

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10
Q

What happens during external respiration?

A

Once air is in the lungs, oxygen crosses into bloodstream, then transported around body by cardiovascular system

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11
Q

What happens during internal respiration?

A

Oxygen is delivered to vital tissues, carbon dioxide crosses into bloodstream for excretion during exhalation

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12
Q

Where is air heated and cooled?

A

Respiratory region

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13
Q

What important role does the upper airway play?

A

Smell, sound for vocal cords,passageway for air to lower airways

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14
Q

What 3 regions are found in the nasal cavity?

A

Vestibular, olfactory, respiratory

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15
Q

What what is the vestibular region responsible for?

A

First line of defence for the respiratory system! Course nose hairs

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16
Q

What is the olfactory region responsible for?

A

Sense of smell

17
Q

What is the respiratory system responsible for?

A

Air is warmed and humidified

18
Q

Where is conchae found and what is it?

A

Found in the respiratory region, has 3 scroll like bones!

19
Q

What is conchae?

A

Has 3 channels airflow becomes turbulent while being heated and humidified and is now ready for lower respiratory system

20
Q

Where does air go after it’s left the nose?

A

Pharynx

21
Q

What is the pharynx?

A

Passageway for air and food

22
Q

What are the 3 areas in the pharynx?

A

Nasopharynx, oropharynx and laryngopharynx

23
Q

What is found in nasopharynx ?

A

Adenoids

24
Q

What is found in the oropharynx?

A

Tonsils

25
Q

What is the nasopharynx the passageway for?

A

Air

26
Q

What is the oropharynx passageway for?

A

Air and infested doodle

27
Q

What happens in the laryngopharynx?

A

Food passes to the osophagus, air to the trachea

28
Q

What does the epiglottis do?

A

Ensures air and not food enters the trachea

Cardiovascular System (4 decks)

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