Across
- 2. A nerve cell that sends and receives electrical signals in the nervous system.
- 4. Tissue that supports, connects, or separates other tissues and organs; contains an extracellular matrix.
- 6. Tissue that contracts and relaxes to produce movement; includes skeletal, smooth, and cardiac muscle.
- 7. A network of nonliving material, such as proteins and fibers, that supports and surrounds cells inconnective tissue.
- 8. The process of taking in substances such as nutrients or chemicals into cells or tissues.
- 9. Tissue that receives and sends electrical signals; makes up the brain, spinal cord, and nerves.
Down
- 1. The removal of waste products from the body.
- 3. A type of tissue that covers body surfaces, lines organs, and forms protective barriers; also involved in absorption, secretion, and sensation.
- 5. The release of useful substances produced by cells or glands.