All of these functions help maintain homeostasis within the body. 7. Nervous System: The nervous system is comprised of the central nervous system and the peripheral nervous system. The hypothalamus within the brain is one of the key players in the human body in maintaining homeostasis.
Which process fills lakes of underground water? Which is the layer underground where there are no empty spaces for water or air to fill in? What is the underground water that fills opening in soil and cracks in layers of rock? Ground Water, which seeps into the soil and fills the cracks unerground.
Rain and snow melt that seeps into the ground continues downward under the force of gravity until it reaches a depth where water fills all of the openings (pores) in the soil or rock. This is called the saturated zone.