Primary 5 Systems

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Across
  1. 3. ___________ circuit allows electric current to flow through it.
  2. 4. the basic unit of life
  3. 5. tiny openings that allow gases such as oxygen and carbon dioxide to enter or leave a plant
  4. 6. tubes that transport water and dissolved minerals from the roots to the other parts of the plant
  5. 9. 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
Down
  1. 1. process where green leaves use water and carbon dioxide to make food in the presence of sunlight
  2. 2. tubes that transport food made in the leaves to the other parts of the plant (roots, stem, flowers and fruits)
  3. 7. contains chlorophyll that absorbs light energy for photosynthesis.
  4. 8. ____________ of electricity do not allow electric current to flow through in the circuit.