The Body's Defenses

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2. When antibodies of a pregnant woman is passed on to her unborn baby, it is called _________ immunity.

Passive

Active

Medium

3. These are white blood cells that engulf or enclose bacteria and other foreign particles in the lymph.

Phagocytes

Lymph nodes

Thoracic duct

4. The _________ removes worn-out red blood cells and helps fight infection. It also stores platelets and, like the liver, it also serves as a blood reservoir.

Spleen

Adenoids

Phagocytes

5. On the walls of the intestines are lymphoid tissues called____________ that prevent bacteria from entering the small intestine.

Peyer's patches

Spleen

Adenoids

6. The process of attacking the foreign bodies such as bacteria and viruses by eating, or engulfing them is called_____________.

Lymphitis

Phagocytosis

Rhinitis

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8. At the back of the nose just above the tonsils are the ___________ that also help trap foreign bodies and prevent them from entering the respiratory system.

Adenoids

Lymph nodes

Tissue fluid

9. Tears and saliva contain protein called _____________ that attacks the cell wall of some bacteria, eventually killing them.

Cilia

Lysozome

Phagocytes

10. Active immunity is when the body receives weakened microbes to stimulate the body to produce the necessary antibody through vaccination.

True

False

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14. White blood cells, also known as ______________ have been called the "soldiers of the body" whose main function is to fight infections and to protect the body from cancer.

Leukocytes

Lymphocytes

Phagocytes

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The Body's Defenses

1. The tiny organs that are full of lymphocytes that lie along the route of lymph vessels are called _______ nodes.

2.

What first name or nickname would you like us to use?

2. When antibodies of a pregnant woman is passed on to her unborn baby, it is called _________ immunity.

3. These are white blood cells that engulf or enclose bacteria and other foreign particles in the lymph.

4. The _________ removes worn-out red blood cells and helps fight infection. It also stores platelets and, like the liver, it also serves as a blood reservoir.

5. On the walls of the intestines are lymphoid tissues called____________ that prevent bacteria from entering the small intestine.

6. The process of attacking the foreign bodies such as bacteria and viruses by eating, or engulfing them is called_____________.

7. The __________ located at the back of the throat are pair of lymphoid organs that trap bacteria and other microorganisms that enter the throat.

8. At the back of the nose just above the tonsils are the ___________ that also help trap foreign bodies and prevent them from entering the respiratory system.

9. Tears and saliva contain protein called _____________ that attacks the cell wall of some bacteria, eventually killing them.

10. Active immunity is when the body receives weakened microbes to stimulate the body to produce the necessary antibody through vaccination.

11. The ________________ system is a network of vessels with tissues and organ that drain fluid from blood in the capillaries and filter it before returning it to the bloodstream.

12. White blood cells that stay mostly in the lymph nodes and other lymphoid organs and are produced in the bone marrow are called_____________.

13. A __________ is a sign that some disease-causing microorganisms have invaded your body and your body is fighting against them.

14. White blood cells, also known as ______________ have been called the "soldiers of the body" whose main function is to fight infections and to protect the body from cancer.

15. The ability to resist a particular disease or infection is called____________.

16. The immune system's overreaction to an otherwise harmless substance is called___________.

17. It is the most serious stage of a condition that affects the regular functioning of the immune system_______________. When a person has this, his or her immune system cannot provide protection from the infection. This is caused by HIV.

18. Fluid from the blood that goes to the spaces around the cells are called________ fluids.