The Respiratory System

Which of the following is NOT a primary function of the respiratory system?

• Gas exchange

• Blood filtration

• Ventilation

• Smell detection

What is the primary muscle involved in the process of inhalation?

• Intercostal

• Diaphragm

• External oblique

• Pectoralis

Which organ is the site of gas exchange between the air and blood?

• Trachea

• Bronchi

• Alveoli

• Larynx

What is the correct path of air entering the body through the respiratory system?

• Nasal cavity → Larynx → Trachea → Bronchi → Alveoli

• Nasal cavity → Trachea → Larynx → Bronchi → Alveoli

• Nasal cavity → Trachea → Bronchi → Larynx → Alveoli

• Nasal cavity → Larynx → Bronchi → Trachea → Alveoli

Which of the following is NOT part of the upper respiratory tract?

• Nasal cavity

• Trachea

• Larynx

• Alveoli

What is the term for the tiny hair-like structures that line the nasal passages and other parts of the respiratory tract, helping to clean the air entering the lungs?

• Alveoli

• Bronchioles

• Cilia

• Capillaries

During gas exchange, oxygen and carbon dioxide move across the alveoli membrane by what process?

• Osmosis

• Active transport

• Diffusion

• Filtration

Label the Respiratory System

f

a

b

c

d

e

g

h

i

Trachea

Intercostal Muscles

Larynx

Lung

Bronchus

Bronchiole

Rib

Diaphragm

Alveoli

Which structure in the respiratory system is responsible for voice production?

• Alveoli

• Trachea

• Larynx

• Bronchi

What is the primary function of the mucus in the respiratory system?

• To facilitate oxygen transport

• To warm the air

• To trap and remove particles and pathogens

• To produce sound