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Grades 6, 7 and 8 - Science - Middle School - Anatomy - The Immune System
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Avg score: 69% Most missed: “The immune system works hand-in-hand with the _________.”
The lymphatic system and the immune system work hand-in-hand with each system using many of the same internal organs. As the lymphatic system is connected to every organ of the body, it is no wonder that these two systems are closely integrated. The lymphatic system is a type of internal trash collector system. It literally sucks up metabolic garbage, toxins and excess fluids that are found in every organ. If the flow in removing this excess fluid and toxins becomes clogged, the fluid will become thick and create a breeding ground environment for infections. If an infection does occur, the... Show more
Grades 6, 7 and 8 - Science - Middle School - Anatomy - The Immune System
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10 Questions

1. This functions to form blood, store blood and filter blood. It controls and negates harmful bacteria that has found its way into the bloodstream.
2. This is the immune systems’ second line of defense.
3. This is a series of enzymatic proteins found in normal blood that will seek out and destroy many types of bacteria and other foreign cells.
4. There are __ major components that make up the immune system.
5. Parasites, toxins, viruses, bacteria and microbes are collectively known as _______.
6. These are substances that originate in one area of the body and can affect other areas of the body. They use the blood stream to travel around the body.
7. This is a thin, flat gland that secretes the hormone thymosin which then stimulates the activity of the lymphocytes.
8. The immune system’s first line of defense is ________.
9. White blood cells are also known as _________.
10. The immune system works hand-in-hand with the _________.