mitosis

2. we have 23 pairs of these in the human body
3. a cell with 2 sets of chromosomes
6. a fatty layer that surrounds the axons and dendrons that electrically insulates them so that there is no loss of energy on the impulses
8. a tissue in plants that transports food and sugars from the leaves to the rest of the plant
9. anything your body is sensitive to , both inside or outside of the body
12. a short branched extension of a nerve cell, along which impulses received from other cells at synapses are transmitted to the cell body
14. DNA replication
15. a long tube formed by many dead xylem cells that water can easily pass through

1. cells that create impulses which usually travel to the brain
3. the process that changes less specialized stem cells into specialised cells
4. when the "parent" cell splits into 2 identical daughter cells
5. a group of cells found near the endo of each shot and root that allows plants to continue growing
7. a cell with only 1 set of chromosomes
10. the long threadlike part of a nerve cell along which impulses are conducted from the cell body to other cells.
11. when spindle fibres come to the middle
13. an organ that brings out a response