Question

why do we need cells and nerves!!!!

Answer 1

we need cells and nerves as because only when many cells form together a group then only organs are developed and by organs only the oragan system is made also cells help our body to perform many different tasks. Nerves play a significant rile in carrying blood from one part to the whole body , nerves also help in measuring body's pressure and blood flow.

Answer 2

Cells of the nervous system, called nerve cells or neurons, are specialized to carry "messages" through an electrochemical process.  Nerve cells are the primary cells in the nervous system.neurons can connect to each other to form neural networks.