In this procedure, an incision is made through the anterior tracheal wall and a tube is inserted.
Identify the most common lethal inherited disease affecting Caucasians of Northern European descent that results from a defective gene located on chromosome 7.
The function of the nasal conchae is to
A)divide the nasal cavity into a right and a left side.
B)provide an opening into the pharynx.
C)provide a surface for gas exchange.
D)create turbulence in the air to trap small particles in mucus.
E)provide an opening to the outside of the body.
The pitch of a vocal sound is controlled by changing the
A)force of air.
B)diameter, length, and tension of the vocal cords.
C)size of the laryngeal cartilage.
D)shape of the laryngeal cartilage.
E)length and depth of the nasal cavity.