Chapter 17: Blood Assignment
For this assignment, please read the chapter and answer the questions below. Please type
your answers in
red
or
blue color.
Please note that points may be deducted if answers are not submitted in these colors.
There is a tutorial on blood cells in Blackboard under the Lab Tutorial button. Use
it to study the different kinds of blood cells. Under the External Links button
Blood Functions: Understand the following functions of Blood.i) Transport Nutrients, Hormones, Wastesii) Regulates Body Temperatureiii) Provides Protection (Immune Response, Hemostasis)Blood Composition: write a short description of each of the following components of blood
Formed Elements (cells): Briefly describe the functions for the following cells:
1
Table 17.2 on page 644 in the textbook gives you a summary of the formed elements of the blood.
Erythrocytes-
RBC’s transport respiratory gases (oxygen and carbon dioxide).
Leukocytes-
WBC’s are crucial to our defense to fight against diseases. They protect the body
from damage by bacteria, viruses, parasites, toxins, and tumor cells.
Platelets-
are essential for the clotting process that occurs in plasma when blood vessels are
ruptured, or their lining is injured.
Red Blood Cell (RBC) = Erythrocyte
:
Figure 17.7 on page 638 in the textbook reviews the life cycle of RBC’s
Red blood cells (erythrocytes) are biconcave disks and this shape increases the
surface area
of the cell
and maximizes diffusion of gases. Watch the hemoglobin animation in the course documents.
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- Spring '17
- Gregory Katsaros
- red blood cells
