According to the cell theory, which describes cells? All organisms are composed of multiple cells.
All cells have the same structure and function.
Cells are found in everything on Earth.
All living cells come from other living cells.

What is the main difference between the central nervous system (cns) and the peripheral nervous system (pns)? .the cns involves the brain and spinal cord, and the pns involves the body nerves. the cns involves the body nerves, and the pns involves the brain and spinal cord. the cns involves sensory neurons, and the pns involves motor neurons. the cns involves motor neurons, and the pns involves sensory neurons.