Chapter 9 (Terminology) Flashcards
Describes a molecule with a positive and negative charge on opposite sides
Polar
The heat required to raise
the temperature of a
substance by one degree
Specified Heat
The body’s ability to maintain a stable
equilibrium between processes that are
dependent on each other.
Homeostasis
A process by which molecules pass through a semipermeable membrane from an area of high concentration to an area of low concentration
Osmosis
The entire amount of water
found in the human body.
Total Body Water
Water within the cells of the body
Intracellular Water
Water outside the cells in the body.
Extracellular water
Water in the space between cells in the body
Interstitial fluid
The water in plasma in the veins and arteries.
Plasma volume
State of decreased total body water
hypohydration
State of adequate total body water as regulated by the brain
euhydration
State of excessive total body water content
hyperhydration
A state in which hormones used to regulate fluid balance are activated;
however, total body water is not significantly reduced, and thirst has not been stimulated
underhydration
describes how humans tend to delay
rehydrating themselves after losing total body water
voluntary rehydration
A measure of urine concentration where
large values indicate concentrated urine and small values indicate diluted urine.
urine osmolality
