Nutrition, Respiration & Breathing

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