| A | B |
|---|
| Carbon dioxide/Water | Substances produced during respiration |
| Nose | Where the air is FIRST cleaned, moistened and warmed |
| Bronchi | Part of the respiratory system divided into tubes like branches on a tree |
| Epiglottis | Small flap of tissue that seals off the trachea during swallowing |
| Respiration | Chemical process in which oxygen and glucose react to release energy inside cells |
| Diaphragm | Dome-shaped muscle that plays an important role in breathing |
| Alveoli | Where gas exchange occurs |
| Respiratory system | Brings OXYGEN into the body |
| Oxygen | The substance that moves from the alveoli into the blood |
| capillaries | Surrounds each alveolus |
| Diaphragm contracts | Air pressure decreases |
| Trachea | Tube thatt connects to the bronchi |
