Vocabulary

2. A network of nonliving material, such as proteins and fibers, that supports and surrounds cells
3. bundle of fibers that transmits electrical and chemical signals
4. A type of tissue that covers body surfaces, lines organs, and forms protective barriers
6. specialized structures in the body made of different tissues that work together to perform specific jobs
7. building blocks of all living organisms, providing structure, taking in nutrients, and performing specialized functions
11. Tissue Tissue that receives and sends electrical signals
12. Tissue that supports, connects, or separates other tissues and organs
13. The process of taking in substances such as nutrients or chemicals into cells or tissues

1. The release of useful substances produced by cells or glands
3. chemical compounds found in food that the body needs to survive, grow, and function
5. A protein that is very abundant in the body of a human
8. A nerve cell that sends and receives electrical signals in the nervous system
9. The removal of waste products from the body
10. Tissue that contracts and relaxes to produce movement
14. Any of the distinct types of material of which animals or plants are made, consisting of specialized cells and their products