Across
- 3. Breathing out.
- 5. The process that moves air in and out of the lungs.
- 6. A chemical used to identify starch (can also be used as a stain).
- 10. Small air sac found in the lungs where gaseous exchange takes place.
- 11. The process that releases energy from food.
- 12. Chemical process of breaking down glucose in the mitochondria using oxygen. glucose + oxygen → carbon dioxide + water + energy
- 13. When food is used by cells for energy, growth and repair.
- 14. Used for testing for the presence of carbon dioxide. Turns cloudy if CO2 present.
Down
- 1. Breathing in.
- 2. A substance that provides nourishment essential for the maintenance of life and for growth.
- 4. Anaerobic respiration is a type of respiration that does not use oxygen. glucose → lactic acid (+ energy released)
- 7. The greatest volume of air that can be expelled from the lungs after taking the deepest possible breath.
- 8. Happens in the alveoli, it is when oxygen enters the blood and carbon dioxide leaves it.
- 9. Inhaling gases into the lungs by using the diaphragm and ribs to reduce the pressure inside the chest cavity.