The Lymphatic System

Question 1

The lymphatic system collects _____ and _____ from interstitial regions and returns them to the blood.

Answer 1

fluid; proteins

Question 2

One of the major functions of the lymphatic system is to _____ the interstitial fluid.

Answer 2

purify

Question 3

About 3 liters per _____ travels through the lymphatic system, compared with 5 liters per _____ through the circulatory system.

Answer 3

day; minute

Question 4

_____ attack cells in the body that are not recognized as normal members of the body’s cellular community.

Answer 4

T-cells or T lymphocytes

Question 5

_____ are a type of blood cell that develops and matures in the bone marrow before moving to the lymphatic system.

Answer 5

B-cells or B lymphocytes

Question 6

When _____ encounter an antigen, they divide to form plasma cells and memory cells.

Answer 6

B-cells or B lymphocytes

Question 7

_____ release antibodies which bind to antigens.

Answer 7

Plasma cells

Question 8

_____ circulate in the lymph and blood for many years, and respond rapidly if an antigen encountered in the past is again encountered.

Answer 8

Memory cells