Chapters 12 and 14; Part 1 Lymphatic System Function and Structures

Question 1

Function of the Lymphatic System

Answer 1

Contribute to homeostasis

Question 2

How does the Lymphatic System contribute to homeostasis?

Answer 2

~Return excess tissue fluid to the bloodstream
~Absorb fat from the digestive tract and transport to the bloodstream via the liver
~Help defend the body against disease

Question 3

2 Main parts of the Lymphatic System

Answer 3

Lymphatic Vessel Network

Lymphatic Tissue and Organs

Question 4

Primary Lymphatic Organs

Answer 4

Red Bone Marrow

Thymus Gland

Question 5

Red Bone Marrow Location

Answer 5

Within the Medulary Cavity of most bones

Question 6

Red Bone Marrow Function

Answer 6

Site of all blood cell production including leukocytes that migrate to the lymphatic system

Question 7

Thymus Gland Location

Answer 7

Posterior to the Sternum in the superior mediastinum

Question 8

Thymus Gland Function

Answer 8

Program T lymphocytes to recognize specific pathogens or cells

Question 9

Pathogen

Answer 9

A bacterium, virus, parasite, fungus, or other microorganism that can cause disease

Question 10

Secondary Lymphatic Organs and Tissues

Answer 10

Spleen 
Lymph nodes 
Tonsils 
Appendix 
Peyer's Patches

Question 11

Spleen Location

Answer 11

Upper left abdominal cavity just inferior to the diaphragm and posterior to the stomach

Question 12

Spleen Function

Answer 12

Filter and cleanse the blood of pathogens and debris

Question 13

Lymph Node Location

Answer 13

Throughout the body with concentrations in the inguinal, cervical, and axillary regions

Question 14

Lymph Node Function

Answer 14

Filter and cleanse lymph of pathogens and debris before returning it to the bloodstream

Question 15

Tonsils Location

Answer 15

Laryngopharynx (portion of the throat near the voice box)

Question 16

Tonsils Function

Answer 16

Trap and remove pathogens that enter the throat

Question 17

Appendix Location

Answer 17

Pouch at the start of the ascending colon (right iliac region of the abdomen)

Question 18

Appendix Function

Answer 18

Secretes mucus and lymphocytes into the large intestine

Question 19

Peyer’s Patches Location

Answer 19

patches of lymphoid tissue in the throughout the small intestine

Question 20

Peyer’s Patches Function

Answer 20

Capture and destroy bacteria in the gut