Pathogens (Germs) 21.1 Worksheet
___________ are simple, single celled microorganisms. Cause Strep Throat and Tetanus
Bacteria
_________ and _________ are members of your bodies physical defenses. (5 possible answers)
Skin
Cilia
Mucus membranes
Stomach Acid
Saliva and Tears
An example of ___________ _____________ is receiving antibodies from a source other than one's own immune system. (example; from breast milk)
Passive Immunity
A bite or scratch is an example of which type of contact?
Direct
Wash your _______
hands
Bacteria, fungi, protozoans, virus are all ________________ that can transmit disease.
Pathogens
Your bodies second line of defense is ________________
Inflammation
______________ system is a network of vessels that collects fluid from your tissues and screens it for pathogens.
Lymphatic
Indirect contact example
Cough, Sneeze, Dirty Desk, Doorknob
Cough or sneeze into your _______ (which body part)
Elbow
________ are the smallest pathogens. Cause the Flu and Common Cold
Viruses
Antibodies are made by the ___________ (type of cell)
B cell
Antibodies
Keeps pathogens out of our body, sweat can chemically destroy bacteria on our ______
Skin
If soap is not available _______ ________ can work
Hand Sanitizer
______________ can only be seen through a microscope.
Microorganisms
T Cells have two functions _______ and _________
Attack infected cells and communicate with B cells to produce antibodies
Immunity from either have gotten a disease or from being vaccinated
Active Immunity
These can trap pathogens and wash them away
Saliva and Tears
Cough, Sneeze, Runny Nose, Sore throat are ________ of an illness.
Symptoms
________________ can move through fluids in search of food.
Protozoans
____________ Engulfs and destroys pathogens
Phagocytes or white blood cells
Having a _________ to something is your body's ability to destroy pathogens that is has previously encountered before the pathogens are able to cause disease.
Immunity
Where on your body can you find a mucous membrane?
Eyes, Nose, Mouth
Someone who has a disease but has no signs is considered ________
Asymptomatic