MCERT Biology

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Across
  1. 2. Animals that are multicellular, and get their energy from consuming other organisms
  2. 5. One complete heartbeat
  3. 6. Denominator of magnification question
  4. 9. Produces antibodies when it recognises a foreign antigen
  5. 12. The protoctista pathogen Plasmodium causes ___
  6. 14. Organ that secretes insulin and glucagon
  7. 16. Carries oxygenated blood(also rich in urea) to the kidneys for excretion
  8. 17. Provides the force for the transport of mucus
  9. 19. Sense organs
  10. 20. Cell division phase when centromeres divide
  11. 22. The heart contracting
  12. 23. Organ that converts glucose to glycogen
  13. 24. Fungi cell walls are made of ___
  14. 26. Water potential is higher outside the cell than inside
  15. 27. Structure that separates oxygenated and deoxygenated blood
  16. 28. Allows the sterile nutrients to enter the fermenter
  17. 29. Carries oxygenated blood to the liver
Down
  1. 1. Structure that prevents backflow of blood from the ventricle to the atrium
  2. 3. C-shaped rings of this substance help to keep the trachea open
  3. 4. The gap where two neurones meet
  4. 7. 78% of inspired air
  5. 8. Disease that can be treated with insulin injections
  6. 10. The maintenance of a constant internal environment in the body - despite changes in the external environment
  7. 11. Animals store their carbohydrates as ___
  8. 13. The ability of an organism or organ to detect and respond to external stimuli
  9. 15. A substance that increases the rate of reaction but doesn't change itself even after the end of the reaction
  10. 18. The scientific term for breathing in
  11. 21. Microorganism that causes infectious diseases
  12. 25. Provides a source of oxygen
  13. 30. Where the chromosomes are found in the cells