Answer: they used salt?
Explanation: it kills them.
Answer:
B. Pathogen
Explanation:
An antibody is a type of protein that is part of the immune systems defense against diseases. Immunaglobin in the most common antibody.
A pathogen is bacteria, virus, etc that causes disease. An example would be Streptococcus, the flu, etc
An antigen is some sort of toxin/foriegn substance that lowers the immune systems responses. An example would be like snake poision or toxic waste.
A lymph node is an organ that kinda looks like a kidney. its part of the immune system and helps absorbe/dispose of sickness, infection, etc. we have them all over our bodies.
Food that allows microorganisms to row are called parasites.
-false.
Answer:
a think A
Explanation:
Im not sure how to explain but a think A
Answer:
Indirect transmission can occur through air, vehicles such as water, food and contaminated objects, or via a vector such as a mosquito. A susceptible host is a person or animal who can develop infection if exposed to the infectious agent. Susceptibility is increased if exposure is high, or the host's immunity is low.