lymphatic system

Question 1

what are the functions of the lymphatic system?

Answer 1

• remove excess fluid that escapes from the blood capillaries and return it to the circulatory system
• fight disease-causing organisms

Question 2

what is the structure of the lymphatic system?

Answer 2

• network of lymph capillaries joined to larger lymph vessels
• lymph nodes, located along the length of some lymph vessels

Question 3

what are lymph vessels?

Answer 3

• large vessels that collect lymph from capillaries

- joined up and return lymph to blood

Question 4

what is the difference between lymph vessels and blood vessels?

Answer 4

lymph vessels
- drains the interstitial fluid that collects in tissues and serves as a conduit for immune cell trafficking fat absorption

blood vessels
- deliver oxygen and nutrients to all cells in developing mammalian embryos and adults

Question 5

what are the lymph nodes?

Answer 5

colourless fluid that circulates through lymph vessels to be returned to blood

Question 6

what is lymph?

Answer 6

colorless fluid that circulates through lymph vessels to be returned to blood

Question 7

what are lymph capillaries?

Answer 7

vessels that carry lymph

Question 8

what are tonsils?

Answer 8

• multipple large lymphatic nodules

- located in mucous membrane of the oral and pharyngeal cavities

Question 9

what is the spleen?

Answer 9

• filters and stores blood
• capsule present
• no afferent vessels or sinuses
• between stomach and diaphragm
• largest lymphatic organ

Question 10

what is diffuse lymph tissue?

Answer 10

• no capsule

- found in connective tissue of almost all organs

Question 11

what are lymphatic nodules?

Answer 11

• no capsule
• oval shaped
• found in clusters

Question 12

what are lymphatic nodules?

Answer 12

• no capsule
• oval shaped
• found in clusters

Question 13

what are lymphatic organs?

Answer 13

• capsule present
• lymph nodes
• spleen
• thymus gland