The brain contains of interconnected neurons and glia

The brain contains billions of interconnected neurons and glia.  Glia cells enclosed the  neurons and provide support for and insulation between them. It  is also the most abundant cell types in the central nervous system. While Neurons are the basic units of the nervous system and it is the most important part is the brain. 

poor water quality affects most estuarine organisms, including commercially important fish and shellfish. the pollutants that have the greatest impact on the health of estuaries include toxic substances like chemicals and heavy metals, nutrient pollution (or eutrophication), and pathogens such as bacteria or viruses.

1. the energy lost to disorder metabolism     -entropy

2. related to or possessing motion potential     -kinetic

3. all of the chemical reactions in an organism required for maintenance of the processes of life entropy     -metabolism

4. possible; ability to go into action or perform work kinetic     -potential

5. the study of energy and its transformations thermodynamics     -thermodynamics