Slides in this set
The gross structure of the human gas exchange
system limited to the alveoli, bronchioles, bronchi,
trachea and lungs.
Trachea: flexible airway supported by rings of
cartilage preventing trachea collapsing when air
pressure inside falls when breathing in.
-Walls made of muscle lined with ciliated
epithelium/goblet cells which produce mucus that
trap dirt and bacteria
- Cilia move mucus + dirt + microorganisms throat,
Bronchi: are 2 divisions of trachea each leading to
one lung. Large bronchi are supported by cartilage.
Ad : produce mucus to trap dirt particles and have
Bronchioles: series of branching subdivisions of
Ad: Walls made of muscle lined with epithelium
cells allows them to constrict to control flow of air
for alveoli…read more
The gross structure of the human gas
exchange system limited to the
alveoli, bronchioles, bronchi, trachea
Lung Function: All and lungs.
aerobic organisms require Alveoli: Minute air
a constant supply of
oxygen to release energy sacs
in ATP during respiration. Ad: contain collagen
The carbon dioxide and elastic fibers
produced needs to be
removed as its build-up allow alveoli to
could be harmful to the stretch when filled
body. with air when
Large Volume of breathing in. Lined
Large organisms, and
large volume of living Aleveolar membrane
cells. = gas exchange
Maintain high temperature surface.
therefore have high
metabolic and respiratory