The main passageway that leads to the lungs from the throat is the

The FIRST branches off the trachea are called

The dome shaped muscle below the chest cavity is called the

During swallowing, the air passage of the pharynx is covered by the

Alveoli in the lungs are connected to the bronchi by a network of tiny tubes called

The ______ is a long straight tube that carries air from the back of the throat to the lungs

Inside the alveoli, carbon dioxide and oxygen

What is the two step process that deals with inhale and exhale

Which is the correct sequence for the path of oxygen through the respiratory system?

Air is forced into the lungs by the contraction of the

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