Lungs & Respiratory System Quiz

What is the function of the lungs and respiratory system?

• Regulating body temperature

• Pumping blood

• Bringing oxygen into the body and sending out carbon dioxide

• Digesting food

What is the process called when oxygen moves from the alveoli to the blood through the capillaries?

• Evaporation

• Filtration

• Osmosis

• Diffusion

What are the parts of the respiratory system?

• Heart, liver, kidneys

• Nose, mouth, lungs

• Brain, spinal cord, nerves

• Stomach, intestines, pancreas

What is the function of the epiglottis?

• Producing sound

• Exchanging oxygen and carbon dioxide

• Covering the air-only passage when swallowing

• Filtering out dust and particles

What is the top part of the air-only pipe called?

• Bronchi

• Trachea

• Pharynx

• Larynx

What is the function of the trachea?

• Digesting food

• Producing sound

• Exchange of oxygen and carbon dioxide

• Strengthened by stiff rings of cartilage to keep it open

Where does the exchange of oxygen and carbon dioxide actually take place?

• Larynx

• Bronchioles

• Pharynx

• Alveoli

What is the thin lining covering the lungs called?

• Epiglottis

• Bronchi

• Trachea

• Pleura

What is the airtight box that houses the bronchial tree, lungs, heart, and other structures?

• Chest cavity

• Thorax

• Esophagus

• Diaphragm

What muscle forms the bottom of the thorax?

• Epiglottis

• Larynx

• Ribs

• Diaphragm