SBI3U Formative Quiz Name: ________________________

Respiratory System

Part A - Multiple Choice (6) Answer the following questions by circling the correct answer.

Part B - True or False (4) Read the statements below and indicate if they are true or false by circling T or F.

1 What is another name for the windpipe? 2 Which of the following is a factor in:

a) esophagus lung capacity?

b) trachea a) age

c) pharynx b) height

d) larynx c) sex

d) all of the above

3 The amount of air inhaled and exhaled in a 4 Where does the majority of gas exchange

normal breath is called: occur in he human respiratory system?

a) vital capacity a) in the bronchi

b) tidal volume b) in the bronchioles

c) expiratory reserve volume c) in the alveoli

d) inspiratory reserve volume d) both b and c

5 The muscular structure(s) that are involved 6 The _________ is the voice box.

in the mechanism of normal breathing are: a) trachea

a) internal intercostal muscles, diaphragm b) pharynx

b) external intercostal muscles, diaphragm c) larynx

c) lungs d) epiglottis

d) diaphragm

7 At the start of inspiration, the pressure in the chest cavity increase T F

8 Vital capacity is the max. amount of air that can be exhaled, after a max. inhale. T F

9 In the trachea, the cilia brush upwards carrying debris and mucus. T F

10 The epiglottis prevents food from entering the larynx. T F

!1

Part C - Labelling (17)

11. Identify and label the locations where air enters the respiratory system. What happens in these structures that helps prepare air to enter the lungs? (3)

12. Label the following on the diagram above: bronchi, larynx, trachea, alveoli, pharynx, bronchioles. In what order does air travel through these structure on the way to the lung? (8)

!2

13. Label the diaphragm and the intercostal muscles. How are these involved in breathing? Refer to the concepts of pressure and the movement of gases. (6)

Part C - Short Answer (10)

14. Describe the path of an oxygen molecule as it journeys from the atmosphere, through the lungs, and out to the tissues in the body. Think back to both the respiratory and circulatory system. (8)

!3

Choose one of the following questions to answer:

15. How have birds’ respiratory systems adapted to be more efficient (compared to humans)? (2)

16. What kind of respiratory system do insects use and how do they breathe? (2)

BONUS Tell me something you know about the respiratory system that was not covered on this quiz.

!4

/37