Exit Quiz: lungs

The muscle below the lungs that helps us inhale and exhale is the:

• diaphragm

• esophagus

• trachea

• ribcage

Answer explanation

The diaphragm is the muscle below the lungs that helps us inhale and exhale, making it the correct choice.

How does the diaphragm assist in the process of breathing?

• By filtering out harmful particles from the air

• By expanding and contracting to allow air into the lungs

• By transporting oxygen to the cells

• By warming the air before it enters the lungs

What is the term used to describe the process of breathing in?

• Exhale

• Inhale

• Respire

• Exhume

What is the term used to describe the process of breathing out?

• Exhale

• Inhale

• Respire

• Exhume

what is the correct name of the organ labeled (1) shown in the diagram on the left:

• heart
• trachea

• diaphragm

• alveoli

What is the main function of the respiratory system?

• to break food down

• supply the blood with oxygen

• circulate the blood

• controlling the body

Which organ is responsible for the exchange of oxygen and carbon dioxide in the respiratory system?

• Heart

• Trachea

• Diaphragm

• Alveoli

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

• To take in oxygen

• To release carbon dioxide

• To cool down the body

• To aid in digestion

What happens to the diaphragm during inhalation?

• It contracts and moves downward.

• It relaxes and moves upward.

• 1. It stays still.

• It contracts and moves upward.

Why does the diaphragm move downward during inhalation?

• To push the air out of the lungs.

• To create more space in the lung.

• to get lung smaller

• to allow the air to come out from the lung.