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May 13th Notes
The Lymphatic System
19
Biology
9th Grade
05/14/2011

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Term
Where does blood remain?
Definition
The vessels.
Term
What is the tissue fluid?
Definition
A part of the blood that moves out from the capillaries and directly touch the tissue/cells.
Term
What is the Lymph?
Definition
The part of tissue fluid which does not enter the capillaries but enters into another blind-ended vessel called lymphatic.
Term
What are Lymphatic Vessels?
Definition
Vessels which carry lymph from tissues to the subclarion veins are called Lymphatic vessels.
Term
What do the Lymphatic Vessels valves do?
Definition
They prevent the lymph from going backwards.
Term
What is lymph composed of?
Definition
Large waste particles, toxins, and pathogens.
Term
When lymphatic vessels are joined, what do they form?
Definition
Lymphatic nodes.
Term
What do lymphatic nodes contain?
Definition
The immunity creating cells, phagocytes, and lymphocytes which attack toxins and pathogens and destroy them.
Term
What is immunity?
Definition
The ability of the body to fight against the disease ccausing substances, like toxic materials or pathogens.
Term
What are the 2 types of immunity?
Definition
1. Active
2. Passive
Term
What is active immunity?
Definition
Immunity that is created inside the body.
Term
What is a example of active immunity?
Definition
Some diseases like measles and chickenpox alert the body's immune system and produce anit-bodies agaist the pathogens.
Term
What cells are produced when the same pathogens attack the body again.
Definition
Memory cells, which produce antibodies.
Term
Why don't the pathogens cause disease when they attack again?
Definition
The second response is stronger than the primary response.
Term
What is a(n) (second) example of active immunity?
Definition
Vaccine is given to the person before the invasion of pathogens, so the body is prepared for an attack
Term
How many forms are vaccines inoculated?
Definition
3
Term
What is the first form of an inoculation of a vaccine?
Definition
Killed pathogens do not create problems but the body produces pathogens against them. If the original active pathogens of the same kind enter the body, the anit-bodies destroy them.
Term
What is the second form of inoculation of vaccines?
Definition
Live pathogens; the disease creating genes are removed, so they can't create problems, but activates the immune syste to produce anitbodies.
Term
What is the thrid form of inoculation of vaccines?
Definition
The toxins extracted from the pathogens; then the internal immune system is activated and anitbodies are produced.
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