Respiratory System Flashcards
How many lobes does the left lung have?
2
How many lobes does the right lung have?
3
What’s the main organ of the respiratory system?
Lungs
What’s pleura
Moist outside of the lungs
Parietal pleura
Sound of lungs
Visceral pleura
Inner layer
Pleura provides
Moisture for movement
Pleura cavity
Space between the 2 pleura
Lungs do what?
Provide the body with oxygen and removes carbon dioxide
External respiration
Breathing, exchange of air between body and outside
Internal respiration
Brining oxygen to the cells and remove carbon dioxide
Inspiration
Also known as inhalation, brings air into the mouth or nose
Air passes threw the…
Nasal cavity and paranasal sinuses
Air is warmed by…
Blood in the mucous membranes
Cilia do what
Filter out foreign bodies
Trachea
Windpipe
What connects the larynx to the right and left bronchi?
The treachea
Bronchi
Passage ways through which air enters the right and left lungs
Bronchioles
Smaller passage ways
During expiration…
Air is pushed out and into the env?
Alveoli
At the end of each bronchiole tube
Alveoli connect
To the capillaries (small blood vessels)
Where does oxygen exchange take place?
The capillaries
What is sent from the capillaries into the what
Carbon dioxide; alveoli
Oxygen is delivered where
To the body’s cells
Carbon dioxide is then…
Expelled
Muscle contractions
Enlarge the volume during inspiration and decreases volume during expiration
Major muscles
Diaphragm and intercostals muscles
The diaphragm lowers when it…
Contracts
What allows more space in the thorastic cavity?
The contraction of the diaphragm
Intercostals pulls…
The ribs upward and outward
Pharynx
throat