Primary 5 Systems

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Across
  1. 2. ____________ of electricity do not allow electric current to flow through in the circuit.
  2. 4. contains chlorophyll that absorbs light energy for photosynthesis.
  3. 6. tiny openings that allow gases such as oxygen and carbon dioxide to enter or leave a plant
  4. 7. Respiration is a process where plants or animals take in oxygen to release energy from digested food.
  5. 8. photosynthesis is a process where ________ leaves use water and carbon dioxide to make food in the presence of sunlight
  6. 9. the basic unit of life
  7. 10. ___________ circuit allows electric current to flow through it.
Down
  1. 1. system where the blood transport oxygen, digested food and water to all parts of a human body. The blood carries carbon dioxide and waste materials away from different parts of the human body
  2. 3. food-carrying tubes transport food made in the _________ to the other parts of the plant (roots, stem, flowers and fruits)
  3. 5. water-carrying tubes transport __________ and dissolved minerals from the roots to the other parts of the plant
  4. 7. the cell membrane controls the substances that _______ or leaves the cells