Please enable JavaScript.
Coggle requires JavaScript to display documents.
part of respiratory system - Coggle Diagram
part of respiratory system
bronchioles
they have diameter more than 1mm
purfusedely branched
carry air to and for from alveoli
they lack c-shaped cartilageous rings
alveoli
these are extermely thin walled sac like structure surrounded by capillary network
they are site of gaseous exchange
300-350 million alveoli in each lung
aleovlar ducts
they are lined with cuboidal epithelium and connects the tertiary bronchioles to aleovalar sac
Lungs
spongy , elastic roughly triangular organ consiting of bronchi , bronchioles alevalar tube and aleovali
both the lungs are enclosed in a pleural cavity
pleural cavity
each lung is covered by 2 pleural membranes
It contains pleural fluid with lubricates reduces the friction and absorbs jerks and shocks
Diaphram
it is a thin muscular shelf at the base of lungs dividing the body into throic and abdominal cavity