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alvioli
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∙ 11y ago
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What part of the respiratory tree has the largest proportion of smooth muscle?
Bronchioles
Which part of the respiratory system divided into smaller tubes in a pattern that resembles the branches of a tree?
bronchi
Which part of the respiratory system divide into smaller and smaller tubes in a pattern that resemble the branches of a tree?
The Lungs
Is the pharynx part of the lung?
The Pharynx is the part of the throat that is behind the mouth and nasal cavity and above the esophagus and the trachea, or the tubes going down to the stomach and lungs.
Parts of the tree?
the leveas a the body the last part is roots
How does the respiratory tree work?
Respiratory tree is present in echinoderms eg. sea urchin it helps in respiration and protection from predators by evisceration .
Which part of the respiratory system divided into smaller and smaller tubes into a pattern that resembles the branches of the tree?
it divides into two bronchis and the the aveioli
What comes first in the respiratory tree the respiratory bronchioles or the terminal bronchioles?
the terminal first
What is the main origin of the respiratory system?
The trachea is the main trunk of the respiratory system. It is the central passageway from which the respiratory tree branches.
Is esophagus part of the respiratory system?
No. The esophagus is part of the digestive system. The pharynx is part of both the digestive and respiratory systems.
The respiratory zone of the tracheobronchial tree includes?
respiratory bronchioles, alveolar ducts and alveoli
Are the arteries part of the respiratory system?
Arteries are part of the circulatory system, not the respiratory system.
