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What is the volume of air that cannot undergo gas exchange?
The volume of air that cannot undergo gas exchange is known as dead space. It consists of the air in the conducting airways (trachea, bronchi, bronchioles) where gas exchange does not occur because it does not reach the alveoli where oxygen and carbon dioxide exchange takes place.
Why are the alveoli and bronchi separated in the lungs?
The bronchi are the tubes that actually carry the air to the lungs, they have a different function than the alveoli which function in the process for gas exchange.
Does the bronchi rises and falls when you inhale and exhale?
No, bronchi is a passage of airway in the respiratory tract that conducts air into the lungs. No gas exchange takes place in this part of the lungs.
Where in the respiratory tract does gas exchange occur?
The gas occurs by simple diffusion through the cells.
What is the path of the air inside the body?
Pathway of air: nasal cavities (or oral cavity) > pharynx > trachea > primary bronchi (right & left) > secondary bronchi > tertiary bronchi > bronchioles > alveoli (site of gas exchange
Label the parts of bronchial tree?
respiratory zone is from respiratory bronchioles (generation 17-19) to alveolar ducts (generation 20-22) to alveolar sacs (generation 23). It is the site of gas exhange, where velocity of gas is low, and diffusion is the dominant mechanism of gas exchange.
Where does the majority of gas exchange occur?
the alveolus
Where does gas exchange occur in seaweed?
in the leave
How does gas exchange occur in sponges?
gills
What are the branches of the trechea?
The trachea branches into the left and right main bronchi, which further divide into smaller bronchi within the lungs. These smaller bronchi continue to branch into bronchioles, which eventually lead to alveoli where gas exchange occurs.
Where does gas exchange occur?
gas exchange occurs between the thin walls of the alveoli and the thin walls of the capillaries
How does gas exchange occur in clown fish?
in their gills.
