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.