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1. A is the basic unit that makes up living things.
2. is the diffusion of water across a membrane.
3. The process of breaking down glucose in cells is called
4. An is a group of related tissue that perform specific functions in a cell.
5. A group of similar specialized cells is a
6. are structures that perform specific functions in a cell.
7. The is the cell part that directs the activities of the cell.
8. is a process that spreads substances through a gas or liquid.
9. A group of related organs that work together to perform a specific function is an .
10. The is a thick fluid between the nucleus and cell membrane.
11. According to Cell organization. Cells are organized as follows:
cells
tissues
organs
organism
organ systems
12. Four reasons that cells need energy are:
for movement, for cell division, for making proteins, and for moving materials.
13. During cellular respiration Oxygen and Hydrogyn are changed into carbon dioxide and water.