Respiratory system

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  • Created by: Nat1601
  • Created on: 16-11-15 13:03
What is respiratory?
a chemical process of releasing energy from organic compounds
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What happens in the mouth, nose and nasal cavity during respiration
Incoming air is moistened, warmed and filtered
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Where does air travel once pass the mouth, nose and nasal cavity
Pharynx, down pass the larynx into the trachea and then onto the bronchi
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What is the trachea made of? what does it produce and what for?
walls are muscle lined with ciliated epithelium and goblet cells. Goblet cells produce mucus to trap dirt particles and bacteria from the air.
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Brochioles are made of muscle lining with epithelial cells, what does this help with?
Muscle allows them to constrict so that they can control the flow of air in and out of the alveoli
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What are alveoli?
minute air sacs at the end of the bronchioles
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What do alveoli contain?
elastic fibres and collagen and are lined with epithelium
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What is the alveotar membrane
The gas exchange surface
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What is the diaphragm?
a broad band of muscle underneath the lungs forming the base of the thoracic cavity
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What are pleural membranes?
they encase the lungs and secrete pleural fluid to reduce the friction from the movement of the lungs during breathing
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What is pulmonary ventilation?
a measure of how much air is taken in and out of the lungs in a given time. The total volume of air that is moved into the lungs during one minute.
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Other cards in this set

Card 2

Front

Incoming air is moistened, warmed and filtered

Back

What happens in the mouth, nose and nasal cavity during respiration

Card 3

Front

Pharynx, down pass the larynx into the trachea and then onto the bronchi

Back

Preview of the back of card 3

Card 4

Front

walls are muscle lined with ciliated epithelium and goblet cells. Goblet cells produce mucus to trap dirt particles and bacteria from the air.

Back

Preview of the back of card 4

Card 5

Front

Muscle allows them to constrict so that they can control the flow of air in and out of the alveoli

Back

Preview of the back of card 5
View more cards

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