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.
The excavator digs down to design depth, or bedrock, for the first cut. The excavator is then lifted and moved along the trench guide walls to continue the trench with successive cuts as needed. The trench is kept filled with slurry (usually a mixture of bentonite and water) at all times to prevent collapse. Once a particular length is reached, a reinforcing cage is lowered into the slurry-filled pit and the pit is filled with concrete from the bottom up using tremie pipes.