What is included in the nervous system?
a) heart
b) skin
c) brain
d) lungs
lungs and skin

c) Brain

Explanation:

Nervous system is the seat of coordination of all actions and sensory information through sending of signals to all body part. It is divided into two; the central nervous system(CNS) and the pheripheral nervous system (PNS). The CNS comprise of the Brain and spinal cord.

The Brain is what is what is included in Nervous system

answer///(c) the maximum number of organisms an environment can support for a long time; i believe this is correct, plz check luck;