bronchioles
Here's the tree - (from throat to bottom of lung)(biggest to smallest)
Trachea
primary bonchus
secondary bronchus
tertiary bronchus
bronchiole
alveolar duct
alveoli
Alveoli (singular: alveolus)
Alveoli are the individual units that make up the grape-cluster-like sacs of lung tissue.
A) Secondary bronchi
B) Terminal Bronchioles
C) Tracheae
D) Alveoli
These are the smallest air distribution tubes in the respiratory tract.
what is diapraghm
Bronchi
Aveoil
Bronchioles
the alveoli
alveoli
This is called the Respiratory System. It allows the body to breathe and receive air.
E. None of the above.
the alvioli
If by passageways, you mean the bronchi and bronchioles, they're there as a tunnel to supply oxygen from the outside to the lungs.
alveoli
lungs
intra pulmonary pressure
This is called the Respiratory System. It allows the body to breathe and receive air.
The bronchial tubes connect the trachea (breathing tube) to the lungs.
The smallest tube in the lungs is the Bronchus
Asthma