Fulling the blanks
6. The__________
is the basic unit of structure and function for living things.
7. The__________
are group of cells that work together to do a specific function,
8. The__________
are group of different tissues working together to perform a certain task.
9. The__________
are group of different organs working together.
is made up of cells, tissues, organs and system.
10. The__________​