Download Immunology Worksheet: BS Biology 4B - Introduction to Immunology Vocabulary and Concepts and more High school final essays Biology in PDF only on Docsity! Names: Asuncion, Kyla Kuhlyn Ruth S Ducallas, Melanie D. Eduarte, Jayzel Anne D. Pabiona, Wina A. Course Year and Section: BS Biology 4B Worksheet #1 Introduction to Immunology A. Immune system Vocabulary. Use the words from the word bank to answer A1 and A2. A.1. Circle the immune system vocabulary words from the word bank. They could be arranged vertically, horizontally, diagonally, and backward. A.2. Instructions: Fill in the blanks with the words from the word bank. 1. The Immune system protects your body from sickness and germs. 2. Leukocytes are white blood cells that seek out and destroy organisms or substances that can cause disease. 3. Lymph nodes are glands that work like filters to remove germs. They’re found in your neck, armpit, and other areas. 4. Cells that chew up invading germs are called Phagocytes. 5. Lymphocytes are the cells that recognize invaders like germs. 6. Leukocytes travel through the body via lymphatic Vessels. 7. A foreign substance that invades your body is called an Antigen. 8. When your body detects an antigen, Antibodies are made and lock onto it. Once an antigen is recognized, your immune system can remember it the next time and protect you from getting sick again. 9. Humans are born with Innate immunity. 10. Hand washing is one of the best ways to avoid infections and help keep your immune system healthy. 11. Immunodeficiencies occur when a part of the immune system is not present or is not working properly. 12. When the immune system attacks healthy organs and tissues, it’s called an Autoimmune disorder. 13. An Allergic reaction occurs when the immune system overreacts to exposure to antigens in the environment. 14. Acquired immunodeficiencies can develop as a result of burns, malnutrition, or other medical problems; or if a person takes certain medicines or has a Disease. 15. An abnormal overgrowth of leukocytes results in Leukemia, a form of cancer. B. Pretest Matching. Match column A with column B. Write the letter of your answer before the number. Column A Column B J 1. Natural immunity, the first line of defense against foreign organisms and substances. E 2. Skin and mucosal linings of respiratory and gastrointestinal tract. F 3. Tears and saliva contain this enzyme that kills bacteria by breaking the peptidoglycan layer of cell walls. G 4. Host cell engulfs and destroys the foreign organism. H 5. White cells in the blood; nucleated cells originated from bone marrow. D 6. A group of plasma and cell surface proteins that fights invading organisms. a. Antigen b. Adaptive immunity c. Cytokines d. Complement e. Physical barriers