Nutrition Chapter 7: Nutrients and Electrolytes

A substance composed of molecules that move past one another freely. fluids are characterized by their ability to conform to the shape of whatever container holds them

The fluid held at any given time within the walls of the body's cells

The fluid outside the body's cells, either in the body's tissues; as the liquid portion of blood, called plasma; or as digestive juices

A substance that disassociates in solution into positively and negatively charged ions and is thus capable of carrying an electrical current

Any electrically charged particle, either positively or negatively charged

A substance that is capable of mixing with and breaking apart a variety of compounds. Water is an excellent solvent

The amount of fluid in blood

A cluster of nerve cells in the hypothalamus that stimulate our conscious desire to drink fluids in response to an increase in the concentration of salt in our blood or a decrease in blood pressure and blood volume

The water formed as a byproduct of our body's metabolic reactions

The loss of water from the skin in the form of sweat and from the lungs during breathing

A substance that increases fluid loss via the urine. Common diuretics include coffee, tea, cola, and other caffeine-containing beverages, as well as prescription medications for high blood pressure and other disorders

A condition in which blood sodium levels are dangerously high

A condition in which blood sodium levels are dangerously low

A condition in which blood potassium levels are dangerously high

A condition in which blood potassium levels are dangerously low