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