lymphatic system parts 1 and 2

Question 1

what are the 2 main ducts that collect lymph

Answer 1

thoracic duct
right lymphatic duct

Question 2

name the duct and the regions from where these 2 ducts drain the lymph

Answer 2

the thoracic duct drains the lymph to left region above diaphragm and whole region below diaphragm

the right lymphatic duct drains the lymph to right side above disphragm

Question 3

name the main trunks that join these 2 ducts

Answer 3

the thoracic duct is joined by left jugular trunk, left subclavian trunk, left bronchomediastinal trunk, right lumbar trunk, left lumbar trunk, intestinal trunk, cisterna chyli

the right lymphatic duct is joined by right jugular trunk, right subclavian trunk, and right bronchomediastinal trunk

Question 4

the lymph node labeled

Answer 4

1. efferent lymphatic vessel
2. valve
3. capsule
4. cortex
5. trabeculae
6. medulla
7. germinal center
8. afferent lymphatic vessel

Question 5

name the cells found in the lymph node

Answer 5

macrophages
dendritic cells
B cells
T cells

Question 6

give main functions of the lymph node

Answer 6

purifies lymph
acts as an early warning system
dendritic cells present antigens to lymphpcytes

Question 7

spleen is a primary or secondary organ

Answer 7

secondary

Question 8

fucntions of spleen

Answer 8

stores iron
removal of abnormal blood cells
initiates immune response by B cells T cells

Question 9

tonsils are a tissue or organ

Answer 9

tissue

Question 10

what are the 2 sets of lymphatic vessels connected to lymph node

Answer 10

efferent lymphatic vessels
afferent lymphatic vessels

Question 11

what are the functions of afferent and efferent lymphatic vessels

Answer 11

afferent lymphatic vessels bring lymph from peripheral tissues

efferent lymphatic vessels leave the lymph node carrying lymph toward venous circulation

Question 12

name the cells in the lymph node

Answer 12

macrophages
dendritic cells
b cells
t cells

Question 13

what are tonsils

Answer 13

lymphoid nodules in the walls of the pharynx

Question 14

how many tonsils are there

Answer 14

5

Question 15

what are the 5 tonsils

Answer 15

single pharyngeal tonsils
pair of palatine tonsils
pair of lingual tonsils

Question 16

function of tonsils

Answer 16

trap bacteria and viruses which get in to our body while breathing

Question 17

is the thymus a primary or secondary tissue

Answer 17

primary tissue

Question 18

2 main functions of the thymus gland

Answer 18

1. development and maintenance of immunological defenses
2. stem cell division

Question 19

what are the different cells in the spleen

Answer 19

b lymphocytes
macrophages
lymphocytes
plasma cells
granulocytes
platelets

Question 20

functions of spleen

Answer 20

removal of abnormal blood cells
storage of iron
initiation of immune response by t cells b cells

Question 21

where are peyer’s patches located

Answer 21

in the intestine