Devry BIOS 255n Week 5 Ilab Latest

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Devry BIOS 255n Week 5 Ilab Latest

BIOS 255 WEEK 5 Lab 5 –

Lymphatic System & Disease Resistance

1.Describe lymphatic system functions.

.jpg” alt=”LymphaticVessels2″>2. Locate each of the following lymphatic vessels:

right lymphatic duct, thoracic (left lymphatic) duct,

.gif”>.gif”>.gif”>right and left subclavian veins, and cisterna chyli.

a 
b. 
c. 
d.

	.gif”>

.jpg” alt=”BloodLymphMovement”>

e. Determine the direction of blood and lymph movement between arterioles, blood and lymph capillaries, and venules.

f. Describe the lymphatic system role with regard to lipids and lipid-soluble vitamins.

3. What are the thymus gland functions?

4. Identify each of the following in a lymph node: afferent lymphatic vessels and efferent vessels.

.jpg” alt=”LymphNode”> a.

.gif”>.gif”>b.

c. What is the function of the macrophages within the lymph nodes?

d. Identify spleen functions..jpg” alt=”Spleen”>

.jpg” alt=”Cytolysis2″>

5. T Lymphocytes:Some activated cytotoxic T cells produce perforin. What is the function of perforin?

.jpg” alt=”Lymphotoxin”>

6. Some activated cytotoxic T cells produce Lymphotoxin. What is the function of lymphotoxin?

.jpg” alt=”Antibodies”>7. Activated B Lymphocytes are transformed into plasma cells that produce antibodies. Name five ways antibodies can destroy foreign cells and substances.

 

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Devry BIOS 255n Week 5 Ilab Latest