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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.
Sentences in italics are meant to help you understand the material- they are not questions.
Blood Functions: Understand the following functions of Blood.i) Transport Nutrients, Hormones, Wastesii) Regulates Body Temperatureiii) Provides Protection (Immune Response, HemostasisBlood Composition: write a short description of each of the following components of blood (7 points)
)
BIO 202 – Chapter 17
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Wastes- Metabolic wastes are by-products of cellular metabolism such as urea, uric acid, creatinine and ammonium salts.Formed Elements (cells): Briefly describe the functions for the following cells (3 pointsTable 17.2 in the textbook gives you a summary of the formed elements of the blood.
)
Red Blood Cell (RBC) - Erythrocyte
:
Figure 17.7 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. (
1 point
)
The _
hemoglobin
_ protein binds oxygen in RBCs. (
1 point
)
When oxygen combines with hemoglobin, it forms bright red_
oxyhemoglobin
_. (
1 point
)
When hemoglobin releases the oxygen, it becomes dark red _
deoxyhemoglobin
__. (
1 point
)
