1.2 Give the correct biological term for each of the following descriptions. Write only the term next to the question number.

1.2.1 The double membrane that covers the outer surface of the lungs.
1.2.2 A chronic medical disorder of the lungs in which the air sacs are dilated or enlarged and lack flexibility.
1.2.3 The cartilaginous structure that contains the vocal cords.
1.2.4 Instrument that measures the rate and depth of breathing.
1.2.5 The liquid part of blood.
1.2.6 A measure of the height above sea level.
1.2.7 Tiny air sacs at the end of each bronchiole.
1.2.8 Dome-shaped muscle separating the thorax from the abdomen.
1.2.9 Movement of air into the lungs.
1.2.10 The main branches of the trachea that lead to the lungs.

(10 x 1) = 10