Across
- 1. solid or liquid material that the body gets rid of
- 3. (of a substance) containing a lot of matter in a small space
- 5. one of the many thin threads that form body tissue, such as muscle
- 6. not firmly held or fastened in place
- 8. a substance that is needed to keep a living thing alive and to help it to grow
Down
- 2. the process of a liquid, gas or other substance being taken in
- 3. the method by which substances pass in and out of cells through their membrane
- 4. the process by which liquid substances are produced by parts of the body
- 7. a substance in which other things are fixed, buried, etc.