The is a network of neurons at the base of the brain that projects signals up to higher brain regions and down to the spinal cord, and regulates attention and sleep.

Nervous system

Explanation:

The nervous system is a network of neurons in our body for sending and receiving neurological messages. The neurons act like messengers which transfer signal from one part of the body to the brain. Neurons are special kind of cells which are present in billions in the nervous system and help to coordinate actions and senses.

mountains can affect the climate of nearby lands. in some areas, mountains block rain, so that one side of a mountain range may be rainy and the other side may be a desert. much of airborne moisture falls as rain on the windward side of mountains.

explanation:

as in mitosis, dna replication occurs during interphase.   in meiosis, it occurs specifically in s phase of interphase 1.