Biology Paper 1 Revision

12345678910111213141516171819202122232425
Across
  1. 2. The part of the digestive system that releases enzymes into the small intestine
  2. 8. Aerobic respiration requires __________ + oxygen
  3. 10. Word used to describe any microorgansim that can cause disease
  4. 11. The organ system that allows you to break down your food
  5. 13. Word used to describe any disease that can be passed from one organism to another
  6. 15. The type of cell division used for growth and repair
  7. 16. The smallest type of blood vessel
  8. 18. The parts of the cell that make proteins
  9. 19. The liquid part of blood
  10. 23. The process by which substances move from an area of higher concentration to an area of lower concentration
  11. 24. The part of the digestive system that releases bile to help digestive fats
  12. 25. Where photosynthesis happens in plant cells
Down
  1. 1. The part of the respiratory system (inside the lungs) where oxygen diffuses into the blood stream
  2. 3. The part of the cell that stores the genetic material
  3. 4. The waste product of anaerobic respiration in animal cells (including humans)
  4. 5. Any drug testing that is performed on humans is known as a _________ trial
  5. 6. The type of chemical reactions that release energy
  6. 7. The type of cell division that produces gametes
  7. 9. Undifferentiated cells that have the ability to differentiate into many types of specialised cells are called ________ cells
  8. 12. Biological catalysts are also known as _____________
  9. 14. The type of enzyme that breaks down fats
  10. 17. The process of vaccinating most people to protect those who cannot be vaccinated is called ________ immunity
  11. 19. The type of enzyme that breaks down proteins
  12. 20. Type of drug used to treat bacterial infections
  13. 21. The part of an enzyme where the substrate fits in to (___________ site)
  14. 22. The type of blood vessel that carries blood back to the heart