Question

(1) Individual gases, such as oxygen, will move from an area of ___ partial pressure to an area of

___ partial pressure.

(2) The bottom of the trachea branches into two ____

(3) _____ sweep away the mucus that the lungs secrete.

(4) The presence of carbonic acid causes the hemoglobin to ___.

Answers;
(A) Cilia (B) Low (c) High (d) Release oxygen (E) Primary bronchi

Answer 1

1) high(c) to (B) low
2)E
3)A
4)D

I am sure and suggest you to go for that !