EXERCISES, LESSON 9
REQUIREMENT. The following exercises are to be answered by completing the
incomplete statement or by writing the answer in the space provided at the end of the
question.
After you have completed all the exercises, turn to "Solutions to Exercises," at the
end of the lesson and check your answers.
1.
The four basic components of any circulatory system are a
,
s, a
, and
s. The vehicle is the
substance which actually
.
A conduit is a
through which a vehicle
s. If we
say that a force is motive, we mean that it
. Systems providing a
motive force are often known as
. Exchange areas exist so that materials
being transported may be eventually
.
2.
The human cardiovascular system is a collection of interacting
s designed to supply
and
to living
s and to
remove
and other wastes. Its four major components are the
,
,
and
. The vehicle is the
.
The conduits are the
. The primary motive force is provided by the
.
The exchange areas are provided by minute vessels called
.
3.
The major subdivisions of blood are the
and the
.
Plasma makes up about
percent of the total blood volume. Plasma is mainly
composed of
. Among the most important materials dissolved in plasma
are
s. After the blood clots, the clear fluid remaining is
,
which does not contain the proteins used for
. Otherwise, it is very
similar to
.
4.
The formed elements of the blood make up about
percent of the total
blood volume. While red blood cells and white blood cells are cells, the platelets are
only
of cells.
What is the shape of an RBC? B
d
.
In a cubic millimeter of normal adult blood, there are about how many RBCs?
RBCs contain a protein called
which transports most of the
oxygen carried by the blood.
MD0006
9-18