the alveoli provide a suface where exchange of gases can take place. The walls of the alveoli contain an extensive network of blood vessels.when we breath in, we lift our ribs and flatten our diaphragm,and the chest cavity becomes larger as a result. Because of this,air is sucked into lungs and fills the expanded alveoli.
Wherever capillaries are found, these are places where nutrients and wastes are exchanged.
the bronchiole
Alveoli
Alveoli
the alveoli
Wherever capillaries are found, these are places where nutrients and wastes are exchanged.
no
the bronchiole
bronchioles
Alveoli
Alveoli
idk and i dont CARE cuz this is boring and if you look this up THEN GOOD LUCK FINDING IT
The structure in the lungs that contains the thinnest epithelium is the alveoli. Alveoli are air sacs where the exchange of gases takes place.
alveoli
ALVEOLI
alveoli
vessel walls must be thin to allow ease to transfer of molecules to these tissues i had this on a test and i got it right :)