largest single constituent of the human body; need for this more urgent than need for
any other nutrient, can live only 6 days without it correct answers water
can live a month without this correct answers food
more than half of body weight is correct answers water
found around the cells, within blood and lymph vessels, and in various body cavities
correct answers water
some tissues have significantly more water than others correct answers muscle and
kidneys 79%, brain and heart 73%, skin 64%, bone tissue 31%
two kinds of fluid correct answers intracellular and extracellular fluid
intracellular fluid correct answers fluid inside cells; keeps the cells plumped
extracellular fluid correct answers fluid outside the cell; includes interstitial,
intravascular, lymph, and transcellular fluids, CANNOT LIVE WITHOUT THEM
no storage tanks for water exist in the body correct answers constantly being used;
often reused
functions of water correct answers gives shape and form to cells, maintains blood
volume and blood pressure, helps form structure of large molecules, serves as a
lubricant and solvent, helps regulate body temperature, transports nutrients to and
waste away from cells, is a medium for and participant in chemical reactions
how do we get water in correct answers drink it, high water foods
small intestine and colon correct answers water absorption
disruption to automatic adaptive mechanisms can cause correct answers water
retention
accumulation of excessive amounts of fluid between the cells is called correct answers
edema
venous or lymphatic blockage, heart failure, severe protein deficiency, sodium retention,
some kidney conditions correct answers conditions that may cause water retention
, finger pressure displaces excess fluid over a bony area correct answers pitting edema
injury, too much sodium, pregnancy can cause correct answers edema
accumulation of fluid in the brain or lungs is correct answers life-threatening
excessive water correct answers water intoxication CAN HAPPEN
80% water correct answers fluids
20% water correct answers foods
older we are correct answers the more water we can have
smaller we are and elderly correct answers less water
breast milk alone can supply an infant's correct answers needed water
keep age in mind, very old, very young? correct answers amount of water
important elderly fluid balance correct answers thirst mechanism
to transport water we need correct answers sodium and potassium
sodium (NA+) correct answers extracellular; key to electrolyte balance, electrical
charges to heart
potassium (K+) correct answers intracellular; key to electrolyte balance, electrical
charges to heart
movement of water or another solvent; passive process, sodium and potassium pumps
correct answers osmosis
watch the correct answers salt shaker
how we measure how much water is going through our body correct answers blood
pressure
watch potassium intake correct answers both in food and medication
your pump correct answers is your blood pressure
how does water get regulated correct answers thirst, antidiuretic hormone causes body
to reabsorb or retain water, aldosterone causes body to retain sodium