Path of Air & Gas Exchange Crossword Puzzle

QUESTIONS LIST:

• alveoli: the tiny air sacs where gas exchange happens.
• trachea: the tube that carries air from the larynx to the lungs.
• gas exchange: the process where oxygen enters the blood and carbon dioxide leaves.
• oxygen: the gas needed by cells for respiration.
• inhalation: the process of breathing air into the lungs.
• exhalation: the process of breathing air out of the lungs.
• larynx: the voice box that produces sound.
• pharynx: the passageway that connects the nose and mouth to the trachea.
• bronchi: the two main branches that carry air into each lung.
• bronchioles: the smaller branches of the bronchi inside the lungs.
• carbon dioxide: the waste gas removed from the body during exhalation.
• diaphragm: the muscle that helps control breathing by moving up and down.
• diffusion: the movement of gases from an area of high concentration to low concentration.
• respiration: the process of releasing energy from glucose in cells.
• lungs: the organs where gas exchange takes place.