Lesson 9 Flashcards
Water constitutues about _____ percent of an adults body weight
60%
It brings to each cell the ingredients it requires and carry away the end products
Body fluids
Carrier nutrients and waste products throughout the body
Water
Aids in the regulation of normal body temperature
Water
Act as a lubricant and cushion around joints
Water
What part of the brain initiates drinking behavior
Hypothalamus
Rare but can occur with excessive water consumption and kidney disorders that reduce urine production
Water intoxication
The body stimulate pituitary gland to release _____ whenever the salts are too concentrated
ADH / antidiuretic hormone
The body must secrete a minimum of about ________ each day as a urine
500 milliter (about ½ quart)
A person’s water losses from all these routes total about _______ a day on the average
2 ½ liters
Charge particles ??
Ions
A salt that dissociates in water
Electrolyte
The body fluid, which contain water and partly dissociate salts are
Electrolyte solutions
It moves ion into or out of the cell
Protein
It regulates the body’s sodium, as well as its water, with remarkable precision
Kidneys
It filters all the sodium out of the blood
Kidneys
Substances that can accommodate excess acids or bases
Buffers