Chapter 4 Science Test

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Across
  1. 3. the largest organ of the body
  2. 4. group of tissues working together to do a job
  3. 7. releasing sweat from pores _____ the body
  4. 9. part of a cell that acts like the "brain"
  5. 11. part of an animal cell that holds in the cytoplasm
  6. 12. the part of a microscope you look through
  7. 13. jelly-like liquid that surround the nucleus and cels the cell live and grow
  8. 14. single-celled organism that looks like a blob of jelly and lives in water
  9. 15. the part of a microscope that helps things become brighter
Down
  1. 1. layer of skin that keeps out harmful things and keeps water in
  2. 2. a tool used to see tiny things
  3. 5. group of cells all doing the same work
  4. 6. what you put an organism on to look at through a microscope
  5. 8. hearts and lungs are two types of _____
  6. 10. the layer of skin that contains blood vessels and melanin
  7. 11. the smallest part of an organism
  8. 13. what does a plant cell have that an animal cell does not have?