Lymphatic System

Question 1

lymphatic system

Answer 1

consists of lymph, vessels, ducts, and accessory organs that contain lymphatic tissue

Question 2

lymph

Answer 2

interstitial fluid that passes into lymphatic vessles and tissue
consists of a clear or slightly liquid portion, white blood cells (mainly lymphocytes) and a few red blood cells
flows in the lymphatic vessels, through the lymph ducts and nodes and is eventually added to the benous blood circulation

Question 3

lymphatic vessels

Answer 3

begin as a network of blind tubules in the intercellular spaces start out as tiny lymphatic capillaries and then unite to form larger tubes
drains excess fluid from the tissue and will return the useful portions of the blood

Question 4

lymph nodes

Answer 4

oval or bean shaped and are located along the lymphatic vessels
filter out and destroy foreign substances as lymph passes through them
scattered throughout the body both superficially and deep

Question 5

lymphatic ducts

Answer 5

collect lymph from the different areas of the body

empty filtered lymph into both subclavian veins

Question 6

red bone marrow

Answer 6

located in flat bones and the epephyses of long bones

produce lymphocytes that carry out immune repsponses

Question 7

thymus gland

Answer 7

located in the mediastinum and is proportionately larger in an infant than in an adult
produces lymphocytes
thymus secretions direct the production of antibodies which fight infection and foreign proteins

Question 8

spleen

Answer 8

the largest single mass of lymphatic tissue in the body

egg shapped organ located in the left hypochondriac region of the abdomen

Question 9

lymphatic system function

Answer 9

drains excessive interstital fluid
transports diatary lipids
carries out immune responses