Respiratory System Quiz

What is the main purpose of the respiratory system?

• To digest food

• To regulate body temperature

• To bring oxygen into the body

• To pump blood

What is the name of the dome-shaped muscle that works with the lungs to help you breathe?

• Bronchi

• Trachea

• Diaphragm

• Epiglottis

What is the function of the epiglottis?

• To exchange oxygen and carbon dioxide

• To remove fluids from the airway

• To cover the air-only passage of the pharynx when swallowing

• To filter air in the nose

What is the name of the tiny air sacs in your lungs?

• Pharynx

• Trachea

• Bronchi

• Alveoli

What is the process by which carbon dioxide is created in the cells?

• Diffusion

• Respiration

• Filtration

• Osmosis

What is the name of the tiny hairs that line the passageways of the nose and keep dust from entering the body?

• Capillaries

• Alveoli

• Bronchioles

• Cilia

name two main parts of the respiratory system ?

• heart and liver
• stomach and intestines
• lungs and nose

• kidneys and bladder
• brain and spinal cord

Fill in the blank: The pharynx is another name for your ________.

• Mouth

• Nose

• Throat

• Lungs