5.
Water has several important physical characteristics: First, it is a f
;
therefore, it has the capacity of f
. Second, it is able to d
many substances
within itself; thus, it is an excellent v
. Because of its h
-carrying capacity
and its ability to remove large numbers of
useful in controlling the body's
e.
6.
The human body obtains water in two primary ways: First, water is the major
component of items we d
k or
. Second, as food substances are o
d
within individual cells, water is one of the main b
s.
7.
Water is lost from the body during p
n, r
n, u
n,
v
g, and d
a.
8.
Substances dissolved in the water of the body include g
,n
,
w
, and h
.
9.
Interstitial fluid originates primarily as the
d's fluid portion which
escapes into the tissues from the
s. Part of this fluid enters the b
g
of the v
s vessels. A large portion is picked up by the l
system.
10.
The body's tendency to maintain a steady state is called h
. As a part of
this, the body maintains appropriate concentrations of o
,c
d
,
n________s, e_____________s, and other substances within the tissue fluid. A system
that helps to maintain the appropriate concentration of o
and c
d______
is the r
y system. A system which helps to maintain the appropriate
concentration of n
s is the d_________ system. Such organ systems are at
least partially controlled by f
k mechanisms. These mechanisms resemble the
household t
t.
11.
The body needs a certain amount of w
to function properly. Lack of fluid
may result in h
failure. Too much fluid tends to result in swelling, known as e
.
To maintain water balance, there are f
mechanisms.
12.
If the concentration of electrolytes is greater in the tissue fluid than in the
intracellular fluid, the tissue fluid is
tonic. If the concentration of electrolytes is
less in the tissue fluid than in the intracellular fluid, the tissue fluid is
tonic.
If the concentration of electrolytes are equal in the tissue fluid and intracellular fluid, the
fluids are
tonic.
MD0007
2-18