Module 3, Unit 4 - Lymphatic and Immune Assignment

Module 3, Unit 4 - Lymphatic and Immune Assignment - 1.How...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
cancer? - One out of every ten cells in our human body is engaged in protection against disease and cancer. 2.The lymphatic and immune systems work to defend our body against what? (two things) ( 2 marks) - Invasion by disease-causing organisms and cancerous changes in our cells. 3.The lymphatic and immune systems are based on what type of cells? - They are based on specialized white blood cells. 4.What are cancer cells? - Cancer cells are cells of our own body that have damaged DNA and thus do not develop into healthy, functional cells. 5.What is a pathogen? - A pathogen is a disease causing agent. 6.What is an antigen?(2 marks) - An antigen is any substance, from a virus to a sliver, that triggers production and interacts with antibodies. 7.What is an antibody? - An antibody is a protein secreted by B Lymphocytes, a type of white blood cell. 8.What are the two main fluid systems in our body? - The two main fluid systems in our body are blood and lymph. 9.What is lymph? - Lymph is a water fluid that leaks out of blood vessels and accumulates in the spaces between the cells of body tissues. 10.Where does lymph fluid drain into?(2 marks) - The fluid drains into a network of lymph capillaries and then into larger vessels called lymphatics. 11.Lymphatics are studded with what? - They are studded with filters called lymph nodes. 12.What do lymph nodes contain?Give the two names.(2 marks) - Specialized white blood cells: lymphocytes and macrophages 13.What is the function of the specialized cells in the lymph nodes? - The function of the specialized cells in the lymph nodes are to neutralize or
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 05/26/2011 for the course SCIENCE 101 taught by Professor Smith during the Spring '11 term at Algonquin College.

Page1 / 4

Module 3, Unit 4 - Lymphatic and Immune Assignment - 1.How...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online