Gaseous Exchange Flashcards
What are the 2 nostrils responsible for?
Air from atmosphere inhaled through two openings in nose called nostrils.
No example sentence or additional information.
What are the 2 nasal cavities lined with?
Cavities are lined with ciliated columnar epithelium with goblet cells.
No example sentence or additional information.
What is the function of mucus in the nasal cavities?
Mucus from the goblet cells together with the cilia trap dust/dirt and sweep it out of the nose. Mucus keeps cavity moist.
No example sentence or additional information.
What warms the incoming air in the air passages?
Blood capillaries warm the incoming air.
No example sentence or additional information.
What is the purpose of turbinate bones in the air passages?
Has turbinate bones to increase surface for airflow.
No example sentence or additional information.
Where is the trachea situated in relation to the oesophagus?
Trachea is situated in front of the oesophagus.
No example sentence or additional information.
What protects the trachea and keeps it open?
C-shaped cartilage rings protect trachea and keep it open.
No example sentence or additional information.