The purpose of your respiratory system is to bring oxygen out of the body and carbon dioxide into the body.

The left lung is slightly smaller to make room for your:

The ____________ system works closely with the respiratory system and is responsible for bringing oxygen from the lungs to the entire body.

The medical term for your windpipe is:

We have millions of microscopic air sacs throughout our lungs. These air sacs are called _______________.

The air sacs (alveoli) in our lungs are surrounded by tiny blood vessels.

These are tiny hair-like structures in our respiratory system that help push out dust and other particles that should not be inhaled.

Which of the following is not a way to keep the respiratory system healthy:

The __________ blood cells carry oxygen from the respiratory system to the heart.

The tubes within the respiratory system look like an upside down:

The dome-shaped muscle below the lungs and ribcage that helps with respiration is the ____________.

Oxygen enters the nasal cavity, and goes past the pharynx and larynx, then down the trachea, and into two tubes called the __________ in order to get delivered into the lungs.

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