Chapter 10: water Flashcards
(20 cards)
how much in parts of body
blood-90%
muscle-75%
bone-25%
adipocytes-10%
how sex and age affect water?
lean tissue
water functions
TRANSPORT- blood, urine
LUBRICATION&PROTECT- tears, saliva, synovial fluid
TEMP REGULATION- heat, stop too much change
water in body
extracellular- highest concentration in sodium and chloride. lowest in potassium
intracellular- lowest in sodium. highest in potassium
blood pressue
fluid of blood against blood vessel.
by GI tract by osmosis
kidneys:water loss
function as filter.
blood to kidney tubules.
needed substance reabsorbed in blood
pituitary gland secrete anti diuretic hormone
- low bp
- low blood volume
- high Na concentration
ADH reestablish BP
stimulate thirst
reabsorb water
blood vessel constrict
dehydration
low blood volume, low )2 and nutrient to tissue
LEAD TO
heat stroke, heat exhaustion
overhydration
sodium in blood diluted cause hyponatremia.
higher concentration
how much we should take
male 3.7L/day
female 2.7L/day
electrolytes
sodium, potassium kinda chloride.
electrical charge:positive and negative ions
salt= sodium and chloride
distribution electrolytes cause distribution of water
function of electrolytes
regulate fluid balance, muscle contraction, bp balance, nerve conduction
deficiency of electrolytes
acid base imbalance
poor appetite
muscle cramp
constipation
K=stop heart
Na= high Calcium output
fluid balance
- cell health by fluid pressure, electrolyte concentration
- osmosis control movement
- active transport transfer across cell membrane
salt intake
high = thirsty
low = hungry for salt food
balance BP
stay active
veggies
cfg
maintain body weight
limit alcohol
hypertension
blood pressure
potassium
canadians dont consume potassium.
- we need 8 000-10 000 mg/day
hyperkalemia = high potassium lvl
hypokalemia = low potassium lvl
electrolye recommendation
sodium and potassium
