dustin.p.michle@lowes.com_Grade7_Chapter7_Crossword 2

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Across
  1. 4. This is what the two upper chambers of your heart is called
  2. 5. Each heart beat generates this in arteries
  3. 7. Heart chambers walls are made of …………
  4. 9. Doctors use it to listen to heart beat
  5. 10. The heart is roughly of the size of your ………
  6. 11. Surname of the person, who discovered circulation of blood
  7. 14. The aquatic animals like fishes excrete cell waste as ………..
  8. 15. The process of removal of wastes produced by cells of living organisms
Down
  1. 1. Waste in the blood is removed by filtration at …………
  2. 2. This is what the two lower chambers of your heart is called
  3. 3. The waste dissolved on water is removed as …………….
  4. 6. Urine is passed out through ……………
  5. 8. It carries urine from kidneys to urinary bladder
  6. 12. This acts as a circulatory fluid for sponges and hydra instead of blood
  7. 13. These many number of chambers your heart has got it