Lymphatic System

Question 1

what are the functions of lymphatic system?

Answer 1

-maintenance of fluid balance in tissue (portion of fluid through capillaries into tissues and back through lymphatic vessels)
-fat absorption (absorbs lipids from small intestine)
-defense (filters blood plasma to identify and remove pathogens, lymph organs, lymphocytes)

Question 2

name some components of the lymph systems

Answer 2

-lymph
-lymphocytes
-lympathic vessels
-lymph nodes
-tonsils
-spleen
-thymus gland

Question 3

what is lymph?

Answer 3

fluid that enters lymphatic capillaries composed of water and some solutes

Question 4

where does lymph come from and where is it being transported to?

Answer 4

passed from the tissues and arteries to drain back into the venous system

Question 5

differentiate drainage regions of the right lymphatic duct and and the thoracic duct

Answer 5

-right lymphatic duct: where lymphatic vessels from R upper limb and R head, neck, chest empty (empties into R.subclavian vein)
-thoracic duct: collects lymph from the remaining lymphatic vessels which do not enter the right lymphatic duct (empties into L.subclavian vein)

Question 6

name the different tonsils:

Answer 6

palatine tonsils: on each side of oral cavity
pharyngeal tonsils: near internal opening of nasal cavity
lingual tonsils: posterior surface of tonuge

Question 7

what are lymph nodes and its function

Answer 7

-rounded organs that are located near vessels
-activated if foreign substances are detected
-note: all lymph vessels pass through at least 1 lymph nodes before entering blood

Question 8

what is the spleen and its function

Answer 8

-serves as a blood reservoir
-filters out RBC
-detects and responds to foreign substances