Name: 
 

Human Lymphatic System



Completion
Complete each sentence or statement.
 

1. 

As blood flows through the circulatory system, some fluids leak out of the capillaries and mix with the fluid that bathes the cells. The ___________  _________ is responsible for collecting this excess fluid and returning it to the blood.
 

 

2. 

Review the diagram below for an overview of the glands associated with the lymphatic system.
human_lymphatic_sys_files/i0030000.jpg
 

 

3. 

The fluid is transported through a network of ________.
 

 

4. 

The smallest of these lymphatic vessels are the lymph ____________, which absorb fluid and any particles too large to enter the blood capillaries.
 

 

5. 

These particles might be dead cells or cells that are foreign to the body. The fluid and particles absorbed into the lymph capillaries are called _______.
 

 

6. 

Lymph capillaries carry lymph into __________   ________, which are larger vessels with valves.
 

 

7. 

Lymphatic vessels eventually carry the lymph to two large ______ in the neck.
 

 

8. 

The _________  ________ also plays an important role in ___________ the body from disease.
 

 

9. 

As lymph travels through lymphatic vessels, it passes through ______   _______.
 

 

10. 

Lymph nodes are small ____-shaped organs where particles are __________ from the lymph.
 

 

11. 

______ blood cells in the lymph nodes engulf foreign particles that invade the body, such as bacteria or viruses.
 

 

12. 

Other white blood cells produce _________ that _______ to bacteria or viruses.
 

 

13. 

In addition to lymphatic vessels and lymph nodes, lymph tissue is located at various places throughout the body. The ________ is the largest lymph organ.
 

 

14. 

The function of the spleen, located in the upper left side of the abdomen, is to ________ blood and releases _____ blood cells. In addition, the spleen ________ red blood cells.
 

 

15. 

________ are made up of groups of lymphatic tissue located at the back of the nasal cavity on the inside of the throat.
 

 

16. 

_______ blood cells in the tonsils _________ the body against infection.
 

 



 
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