Across
- 2. site of photosynthesis
- 6. makes up the vessels that transport materials
- 9. refers to the temporary conditions of the atmosphere, the layer of air that surrounds the Earth
- 10. which substances cause the cancer
- 12. store water and nutrients
- 14. a strong but flexible material found in some parts of the body (such as the nose, the outer ear, and some joints)
- 19. a large lobulated gland of vertebrates that secretes digestive enzymes and the hormones insulin and glucagon
- 20. Treatment that uses drugs to stop the growth of cancer cells, either by killing the cells or by stopping them from dividing.
- 23. transmit signals to muscle cells or glands to control their functional output.
- 24. tunnels/canals for transporting materials
- 28. covers the outside of plant
- 31. A leaf tissue consisting of loosely arranged, chloroplast-bearing cells, often located on the lower side of the leaf.
- 32. a flexible but inelastic cord of strong fibrous collagen tissue attaching a muscle to a bone.
- 34. any of the many tiny air sacs of the lungs which allow for rapid gaseous exchange.
- 35. is the primary greenhouse gas emitted through human activities.
- 37. made of RNA, make protein
- 38. each of a pair of curved cells that surround a stoma, becoming larger or smaller according to the pressure within the cells.
Down
- 1. is an abnormal but noncancerous collection of cells.
- 3. a layer of columnar cells rich in chloroplasts found beneath the upper epidermis of foliage leaves
- 4. any of the fine branching blood vessels that form a network between the arterioles and venules.
- 5. makes lots of ATP which is like food for the cell
- 7. cells with nucleus
- 8. is the mass of nerve tissue in the anterior end of an organism.
- 11. a substance that has amino acids, compounds and carbon, hydrogen, oxygen, nitrogen and sometimes sulfur and is found in many foods.
- 13. is anything which absorbs significantly more carbon than it produces
- 15. is a word used to describe the spread of cancer
- 16. cells that are hollow and like a tube, transport water/material from root to the rest of the plant
- 17. saclike expansion of the digestive system, between the esophagus and the small intestine
- 18. a colorless unstable toxic gas with a pungent odor and powerful oxidizing properties, formed from oxygen by electrical discharges or ultraviolet light.
- 21. relatively straight muscular tube through which food passes from the pharynx to the stomach.
- 22. they transport nutrients both ways and these cells are alive
- 25. wax that makes the leaf waterproof
- 26. are generally more numerous on the underside of leaves.
- 27. is a thread-like structure located in the nucleus of cells such as plant, animal and human cells.
- 29. collects and processes materials
- 30. electromagnetic radiation) having a wavelength just greater than that of the red end of the visible light spectrum but less than that of microwaves.
- 33. a short band of tough, flexible fibrous connective tissue which connects two bones or cartilages or holds together a joint.
- 36. a process of cell duplication, or reproduction, during which one cell gives rise to two genetically identical daughter cells.