The Respiratory System Crossword

muscle moves air in and out the lungs
food and air both pass through
where vocal cords are
windpipe
where the trachea forks into each lung
small branching tubes
grape-like cluster of sacs where oxygen is absorbed
internal sacs lined with epithelium; transports gases
lined with a mucous membrane; has little hairs that help filter the air you breathe in, blocking dirt and dust from getting into your lungs
the amount of air which enters the lungs during normal inhalation at rest
the most air you can exhale after taking the deepest breath you can
a series of organs responsible for taking in oxygen and expelling carbon dioxide
tiny hairs that line the bronchial tubes
a sticky fluid; collects dust, germs and other matter that has invaded the lungs
a waste product that can be lethal if allowed to accumulate
a gas that your body needs to survive
the mouth
a flap of elastic cartilage that acts as a switch between the trachea and the esophagus
a muscular organ about the size of a closed fist that functions as the body’s circulatory pump
opening through the nose carrying air into the nasal cavities