Immune System
Lymphatic System
Facts For Teens (;
Vocabulary
100
What is the Immune System?
A system (including the thymus and bone marrow and lymphoid tissues) that protects the body from foreign substances and pathogenic organisms by producing the immune response
100
What is the Lymphatic System?
The body's drainage system.
100
What do you need to do to maintain a healthy Immune system?
You need to rest!
100
Define... A. Lymph B. Lymph Node
A.) Lymph: A Clear watery fluid that bathes the cells. B.) Lymph Node: Masses of lymphoid tissue that contain many lymphocytes that filter the bacteria, dead tissues, and foreign materials from the lymph.
200
What does the lymphatic system create?
The Lymphatic system creates: WHITE BLOOD CELLS
200
What greatly affects the Immuse system?
Stress!
200
Define... A. White Blood Cells B. Immune Deficiency
A.) White Blood Cells: A general type of cell that fights off bacteria. B.) Immune Dificiency: When part of the Immune System is not present, or does not work properly.
300
Which way does the lymph flow?
The Lymph flows: UPWARD
300
Define... A. Lymph Vessles B. Lymph System
A.) Lymph Vessles: Channles or ducts that contain an convey lymph. B.) Lymph System: The bodys drainage system
400
Approximantly how many lymph nodes are in the body?
There are approximantly: 600 - 700
400
Define... A. Antibodies B. Antigens
A.) Antibodies: Chemicals produced by white blood cells to fight bacteria, viruses, and other foregin material; they are not always good for you. B.) Foregin proteins that enter your body via infection.
500
Is it possible for lymph nodes to reproduce?
NO!
500
Define... A. B-Cells B. T-Cells
A.) B-Cells : The lymphocyte that matures in the bone marrow and produces antibodies, helping the immine system fight off infections. B.) T-Cells: A Lymphocyte that maturesin the thymus gland and attacks antigens.
M
e
n
u