The Human Respiratory System Crossword Puzzle

QUESTIONS LIST:

• diaphragm : muscle that helps your lungs pull in air and push it out.
• esophagus : muscular tube through which food passes from the pharynx to the stomach
• alveoli : tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide takes place.
• capillaries : blood vessels in the alveoli walls that move oxygen and carbon dioxide.
• bronchial tubes : tubes at the bottom of your windpipe that connect into each lung.
• bronchi : are the main airways into the lungs
• lungs : two organs that remove oxygen from the air and pass it into your blood.
• nose : openings that pull air from outside your body into your respiratory system.
• ribs : bones that surround and protect your lungs and heart.
• trachea : passage connecting your throat and lungs.
• bronchioles : small branches of the bronchial tubes that lead to the alveoli.
• pharynx : tube that delivers air from your mouth and nose to the trachea (windpipe).
• sinuses : hollow areas between the bones in your head that help regulate the temperature and humidity of the air you inhale.