What is the name of a sticky fluid, collects dust, germs and other matter that has invaded the lungs.
Question 2
2.
filters the air that is inhaled (number)
Question 3
3.
bronchi (number)
Question 4
4.
A dome-shaped muscle at the bottom of the lungs, controls breathing and
separates the chest cavity from the abdominal cavity (number)
Question 5
5.
Walls are extremely thin (about 0.2 micrometers). These walls are composed of a
single layer of tissues called epithelial cells and tiny blood vessels called
pulmonary capillaries (number)
What is happening at the alveoli level?
1
1
1
2
Question 9
9.
Area A is the _______ zone, while area B is the _______ zone.
1
1
1
Question 13
13.
Place the sequence of events in order to show what occurs after contraction of the diaphragm.
Oxygen passes into the bloodstream through the capillaries.
Oxygen is pulled into the upper respiratory tract.
Oxygen moves into the lower respiratory tract.
Carbon dioxide moves from the bloodstream into the alveoli through the capillaries.
Carbon dioxide moves from the lower respiratory tract into the upper respiratory tract, and exits the body.
Oxygen enters the bronchial tubes.
Oxygen enters the alveoli.
The diaphragm relaxes.
1
Question 14
14.
When inhalation occurs, the diaphragm _______ and flattens out (use contracts or relaxes)
1
Question 15
15.
The intercostal muscles _______ moving the rib cage upward and outward. (use contract or relax)
1
Question 16
16.
Structure 3 _______ the space in the chest cavity (use increases or decreases)
1
Question 17
17.
The diaphragm relaxes and moves _______ (use up or down) during exhalation
1
Question 18
18.
The intercostal muscles _______ (use contract or relax) during exhalation
1
Question 19
19.
As the space in the chest cavity gets smaller during exhalation, air rich in _______ is forced out of your lungs and windpipe, and then out of your nose or mouth.
Question 20
20.
The device used to measure lung capacity is called a(n)