Science Trivoa

123456789
Across
  1. 2. Common Acid found in lemon
  2. 5. speeds up reaction
  3. 7. Protein-digesting enzyme in stomach
  4. 8. Disease caused by lack of insulin
  5. 9. Liquid Part of blood
Down
  1. 1. part of atom having positive charge
  2. 3. Basic unit of life
  3. 4. Smallest unit of an element
  4. 6. gas used in balloons