Nutrition, Respiration & Breathing

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