Lymphatic System

Question 1

what is the main function?

Answer 1

to return excess tissue fluid to the bloodstream

Question 2

the lymphatic system is made up of ____ vessels and ____ organs

Answer 2

transport; lymphatic

Question 3

what 3 things does the lymph vascular system consist of?

Answer 3

lymph capillaries, lymph vessels, lymph ducts

Question 4

what are the main functions of the lymphatic system?

Answer 4

1. the return of excess fluid to the blood
2. return of protein from the capillaries
3. transport of fats from the digestive tract
4. disposal of debris and cellular waste

Question 5

what are the 7 lymphatic organs?

Answer 5

1. lymph nodes
2. spleen
3. appendix
4. adenoids
5. thymus
6. tonsils
7. small patches of tissue in small intestine

Question 6

where are lymph nodes located?
- what 2 things does each node contain?

Answer 6

located at intervals throughout the lymph vessel system
- lymphocytes and plasma cells

Question 7

spleen

Answer 7

filters red blood cells and macrophages

Question 8

thymus

Answer 8

secretes hormones and is the major site of lymphocyte production

Question 9

where is the spleen located?
- what is it made up of?
- how are blood vessels connected to the spleen?

Answer 9

upper left of the abdomen
- lymphoid tissue
- splenic sinuses (modified capillaries)

Question 10

what kind of ligaments support the spleen?

Answer 10

peritoneal ligaments

Question 11

what 3 peritoneal ligaments support the spleen?

Answer 11

1. gastrolienal: connects the stomach to the spleen
2. lienorenal: connects the kidney to the spleen
3. phrenicocolic: connects the left colic flexture to the thoracic diaphragm

Question 12

up to 10% of the population has one or more accessory ____ that tend to form at the ____ of the original

Answer 12

spleens; hilum