Biology

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Across
  1. 3. Where urine is stored
  2. 5. Main equipment used for investigating transpiration
  3. 6. The part of a vein that prevents the back-flow of blood
  4. 10. The part of the nervous system where the brain locates
  5. 11. The type of sugar that makes the cell wall of a fungus cell
  6. 13. The energy required for photosynthesis
  7. 14. The type of sugar that makes the cell wall of a plant
  8. 15. A word used to describe a cell with cilia
  9. 16. The behaviour of the arterioles in response to high body temperature, in order to radiate heat to the surroundings
  10. 17. Multicellular organisms
  11. 19. It is a thin part of the leaf that is transparent to allow the maximum amount of light to penetrate through the leaf
  12. 20. The growth of plant in response to the force of gravity
Down
  1. 1. A product of photosynthesis (a sugar)
  2. 2. The part of the heart where there is a thick wall of muscles to pump blood around the body
  3. 4. A process phagocytes perform as a part of the immune response to pathogens
  4. 7. Cell without nucleus
  5. 8. The nerve connecting the eye and the brain
  6. 9. The ion needed to produce amino acid in plants
  7. 12. The plant tissue that transports water and food and allows substances to flow both ways
  8. 18. The type of respiration that requires oxygen