Immune System Flashcards
An example of a pathogenic bacteria is ____
Streptococci
And disease causing agent is called ____
Pathogen
Bacteria can reproduce every _____ min
20
____ are poisonous substances released by bacteria
Toxins
Salmonella bacteria attacks the cells in the____
Digestive system
Tuberculosis attacks the cells in the…
Lungs
Streptococci attacks cells in the…
Throat
Viruses are not made of ____ and cannot ____ in their own
Cells, reproduce
Measles virus attacks the cells in the….
Skin
Influenza virus attacks the ____ and____ cells
Throat and respiratory system
What is the first line of defence against pathogens?
Skin
What are your second lines of defence against pathogens?
Mucus membrane, cilia, tears, Gastric juices
What structures found in your blood which help the immune system?
White blood cells
What is another name for a phagocyte?
Macrophage
___ is a clear liquid which circulated throughout the body in the vessels of the ___ system?
Lymph, lymphatic
Dead pathogens are collected in structures called ____ ____ before their removal from the body.
Lymph nodes
Every cell in the body and every pathogen have special markers on them called…
Antigens
Y shaped molecules produced by B- cells are called___ they fit together like a jigsaw or a lock and key with molecules called ___ on the surface of pathogens.
Antibodies. Antigens
A ___ is a way to become immune to a disease.
Vaccination
A vaccine contains ___ or ____ forms of a pathogen
Weakened or dead
What are the 4 types of pathogens?
Virus bacteria parasites fungi
What are the 5 steps to the immune system?
- Identifying 2. Call for help 3. Tag 4. Destroy 5. Remember
Devour invaders and launch the immune system attack.
Macrophage
Macrophage
Devour invaders and launch immune system attack
Helper T cells.
Coordinate the systems attack
Coordinate the systems attack
Helper T cells
B cells
Tag invaders with antibodies
Tag invaders with antibodies
B-Cells
Antibodies
Y shaped molecules produced by plasma calls that identify pathogens.
Y shaped molecules produced by plasma cells that help identify pathogens.
Antibodies
Killer T cells (K cells)
Devour invaders or release toxic chemicals that kill
Devour invaders or release toxic chemicals that kill
Killer T cells (K cells)
Cytotoxic T cells
Destroys infected body cells before pathogen had a chance to multiply
Destroys infected body cells before pathogen has a chance to multiply
Cytotoxic T cells
Memory cells
Makes immune response faster
Makes immune response faster
Memory cells
What is the name given to the flag which helps immune system identify pathogen or infected cells?
Antigen
What is a type of virus?
Flu
What are virus symptoms?
Aches, chills, sneezing, coughing
What is a type of bacteria?
Strep throat
What are bacteria symptoms?
Red swolen sore throat fever
What is a type of fungi?
Athletes foot
What are fungi symptoms?
Itchy scaley skin
What is a type of parasite?
Gardia
What are parasite symptoms?
Diarrhea
Enemies or disease causing agents can my found in/on ____, ____, ____ and ____
Water, food, air and skin
