Definitions

a cell that can perform a specific function

an organizational structure, with more complex/important things at the top and simpler/less important things below it

a collection of similar cells that perform a particular function, but limited function

a structure composed of different tissues working together to perform a complex body function

a system of one or more organs and structures that work together to perform a major vital body function such as digestion or reproduction

a thin sheet of tightly packed cells that covers body surfaces and lines internal organs and body cavities (protection form dehydration)

various types of cells and fibers held together by a liquid, gel or solid, known as a matrix (a specialized tissue that provides support and protection for various parts of the body)

a group of specialized tissues containing proteins that can contract and enable the body to move

specialized tissue that conduct electrical signals from one part of the body to another

the process which by a cell becomes specialized to perform a specific function

an undifferentiated ell that can divide to form specialized cell

special cells or tissues that receive input from our external environment and sends signals along the peripheral nerves to our central nervous system

can differentiate into any kind of cell

only able to differentiate into certain types of cells