The Respiratory System

Question 1

What is the primary function of the respiratory system?

Answer 1

To facilitate gaseous exchange, primarily oxygen intake and carbon dioxide removal.

Question 2

True or False: The respiratory system is responsible for nutrient absorption.

Answer 2

False

Question 3

Fill in the blank: The process of breathing in is known as _____.

Answer 3

inhalation

Question 4

What are the main organs involved in the human respiratory system?

Answer 4

Nose, trachea, bronchi, lungs, and diaphragm.

Question 5

Multiple Choice: Which structure is responsible for gas exchange in the lungs? A) Trachea B) Alveoli C) Bronchi D) Larynx

Answer 5

B) Alveoli

Question 6

What gas do animals primarily exhale?

Answer 6

Carbon dioxide

Question 7

True or False: Fish use lungs for respiration.

Answer 7

False

Question 8

What is the role of hemoglobin in the respiratory system?

Answer 8

To transport oxygen from the lungs to the body’s tissues.

Question 9

Fill in the blank: In insects, the respiratory system consists of a network of tubes called _____.

Answer 9

tracheae

Question 10

Describe the process of gaseous exchange in mammals.

Answer 10

Oxygen is inhaled into the alveoli, diffuses into the blood, while carbon dioxide diffuses from the blood into the alveoli to be exhaled.

Question 11

Multiple Choice: Which of the following animals primarily uses gills for respiration? A) Dolphin B) Frog C) Goldfish D) Sparrow

Answer 11

C) Goldfish

Question 12

What is the diaphragm’s role in breathing?

Answer 12

To contract and relax, changing the pressure in the thoracic cavity to facilitate inhalation and exhalation.

Question 13

True or False: The nasal cavity is involved in filtering and humidifying air.

Answer 13

True

Question 14

Fill in the blank: The exchange of gases occurs in the _____.

Answer 14

alveoli

Question 15

What is the term for the volume of air that can be forcibly exhaled after a normal exhalation?

Answer 15

Expiratory reserve volume

Question 16

Multiple Choice: Which gas is primarily absorbed by the bloodstream during respiration? A) Nitrogen B) Oxygen C) Carbon Dioxide D) Helium

Answer 16

B) Oxygen

Question 17

What is the role of the bronchi in the respiratory system?

Answer 17

To carry air from the trachea to the lungs.

Question 18

True or False: The respiratory system only functions during physical activity.

Answer 18

False

Question 19

Fill in the blank: The process by which oxygen is used by cells to produce energy is called _____.

Answer 19

cellular respiration

Question 20

What is tidal volume?

Answer 20

The amount of air inhaled or exhaled during normal breathing.

Question 21

Multiple Choice: Which part of the brain regulates the rate of breathing? A) Cerebellum B) Medulla Oblongata C) Hippocampus D) Thalamus

Answer 21

B) Medulla Oblongata

Question 22

How do amphibians perform respiration?

Answer 22

Through both lungs and skin.

Question 23

True or False: All animals use the same method for gaseous exchange.

Answer 23

False

Question 24

Fill in the blank: The respiratory system of birds includes air sacs that allow for _____.

Answer 24

continuous airflow

Question 25

What is the main function of the larynx?

Answer 25

To produce sound and protect the airway during swallowing.

Question 26

Multiple Choice: Which of the following is NOT a part of the lower respiratory tract? A) Trachea B) Lungs C) Bronchi D) Pharynx

Answer 26

D) Pharynx

Question 27

What is the significance of surfactant in the lungs?

Answer 27

To reduce surface tension in the alveoli, preventing collapse.

Question 28

True or False: The respiratory system plays a role in regulating blood pH.

Answer 28

True

Question 29

Fill in the blank: The flow of air in and out of the lungs is known as _____.

Answer 29

ventilation

Question 30

What is the primary purpose of external respiration?

Answer 30

To exchange gases between the lungs and the blood.

Question 31

Multiple Choice: Which type of respiration occurs at the cellular level? A) External B) Internal C) Mechanical D) All of the above

Answer 31

B) Internal

Question 32

What order does gaseous exchange in animals happen?

Answer 32

Nose/Mouth, Pharynx, Larynx, Trachea, Bronchi, Bronchioles and Alveoli