Task /- Hunger & Thirst

Question 1

hypertonic

Answer 1

The characteristic of a solution that contains
enough solute that it will draw water out of a cell placed in it,
through the process of osmosis.

Question 2

hypotonic

Answer 2

The characteristic of a solution that contains so
little solute that a cell placed in it will absorb water, through the
process of osmosis.

Question 3

isotonic

Answer 3

Equal in osmotic pressure to the contents of a cell.

A cell placed in an isotonic solution neither gains nor loses water.

Question 4

interstitial fluid

Answer 4

The fluid that bathes the cells, filling the

space between the cells of the body (the “interstices”).

Question 5

intravascular fluid

Answer 5

The fluid found within the blood vessels.

Question 6

extracellular fluid

Answer 6

All body fluids outside cells: interstitial

fluid, blood plasma, and cerebrospinal fluid.

Question 7

intracellular fluid

Answer 7

The fluid contained within cells.

Question 8

aldosterone

Answer 8

An adrenal steroid that
promotes conservation of sodium by the
kidneys.

Question 9

baroreceptor

Answer 9

A pressure receptor in
the heart or a major artery that detects a
fall in blood pressure.

Question 10

basal metabolism

Answer 10

The consumption
of energy by the basic life-sustaining functions
of the body.

Question 11

circumventricular organ

Answer 11

An organ
that lies in the wall of a cerebral ventricle
and monitors the composition of body
fluids.