Six <span>characteristics are used to describe living things.
</span>To be considered alive, an object must exhibit all of the characteristics<span> of
</span>living things<span>.</span>
B. 6
I’m pretty sure it’s physical
The central nervous system is made up of mainly the brain and the spinal cord while the peripheral nervous system is divided into two types which are sensory and motor neurons. The somatic nervous system is associated with voluntary nerves while the autonomic nervous system is also known as involuntary nervous system. The sympathetic nervous system increases or speeds up a process while the parasympathetic nervous system decreases or slows down a process.