9.
The functions of the supralaryngeal structures are to c
,
w
,m
, and t
inflowing air.
10. The functions of the larynx are to control the
of the
inflowing air and to produce selected
(
).
11.
The function of the infralaryngeal structures is to distribute air to the
of the
. Here, actual external respiration takes place.
12.
The external nose is supported primarily by
.
13. The two nasal chambers are separated by the
. The walls of
the nasal chambers are lined with a membrane known as the
.
Scroll-like extensions, which increase the surface area of the lateral walls, are known as
. Sensory endings for the sense of smell are found in the ___________
epithelium. Air "cells" or cavities in the skull are known as
.
14.
That portion of the pharynx specifically related to the respiratory system is
the
. It is the portion of the pharynx above the
.
15.
During swallowing, food is prevented from entering the larynx by the
.
16. In the larynx, one set of muscles regulates the volume of air passing through
the trachea by controlling the
. Another set of muscles produces selected
frequencies (variations in pitch) by controlling the
.
17. The trunk of the respiratory tree is called the
.
The branches are called the
.
18.
What are alveoli?
19.
A lung is an individual organ composed of
structures and
bound together by
tissue.
MD0006
7-12