TISSUES

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Across
  1. 3. cells are responsible for the exchange of gases and transpiration. guard
  2. 6. make up our heart. cardiac
  3. 7. of cells that combine together to perform a particular function tissue
  4. 9. process by which meristematic tissues turn into permanent tissues. differentiation
  5. 10. cells are also called __________. neurons
  6. 11. is type of _________ tissue. connective
  7. 14. layer that covers the entire plant. epidermis
  8. 16. or voluntary muscles are also called __________ muscles. striated
  9. 17. wall of a sclereid is made up of _________. lignin
  10. 18. layer secreted by the epidermis in desert plants. cutin
Down
  1. 1. are more effective in conducting water in flowering plants. vessels
  2. 2. have the ability to divide throughout their lives. meristematic
  3. 4. with irregular thickening at the corners of the cells. collenchyma
  4. 5. simple permanent tissue in plants. sclerenchyma
  5. 8. structures present in the epidermis of leaves. stomata
  6. 9. spinal cord is composed of _____________ tissue. nervous
  7. 12. abundant living cell in the plant body. parenchyma
  8. 13. permanent tissue that conducts water. xylem
  9. 15. of parenchyma that helps aquatics plants to float on water. aerenchyma