11. 4. LARYNX
a segment of
respiratory tract that
produces voice or
sound; also called
“voice box”.
12.
13. 5. EPIGLOTTIS
a leaf shaped flap of
elastic cartilage that acts
as cover for the opening
of the larynx to prevent
unwanted solid materials
from entering.
14.
15. 6. TRACHEA
a segment of the
respiratory tract that
serves as
passageway of air
from the larynx; also
called “windpipe”
16. It mucus lining has
goblet cells, or
specialized epithelial
cells that secrete mucus
that fight disease
causing germs.
25. 10. ALVEOLI
are tiny sacs within our
lungs that allow oxygen and
carbon dioxide to move
between the lungs and
bloodstream.
where the exchange of
oxygen and carbon dioxide
takes place.
26.
27. BREATHING
is the process of getting
oxygen.
containing air into the
body and expelling
carbon dioxide
containing air out of the
body.