Question

what are pathogens? how can they enter in our body? 3marks​

Answer 1

Answer:

A pathogen is defined as an organism causing disease to its host, with the severity of the disease symptoms referred to as virulence. Pathogens are taxonomically widely diverse and comprise viruses and bacteria as well as unicellular and multicellular eukaryotes.

Microorganisms capable of causing disease—pathogens—usually enter our bodies through the mouth, eyes, nose, or urogenital openings, or through wounds or bites that breach the skin barrier. Organisms can spread—or be transmitted—by several routes. :)

Answer 2

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Pathoges are the microorganisms which cause diseases (or) a disease causing microorganism is known as Pathogens. Pathogens can be transmitted through ,

Contact with infected person , through eyes , nose , mouth , wounds , coughing and sneezing. Some Common Pathogens include bacteria , virus , fungi , protozoans and worms.

Some diseases caused by pathogen are

VIRAL DISEASES :

❶ common cold

❷ measles

❸ chickenpox

❹ HIV

BACTERIAL DISEASES :

❶ Tuberculosis

❷ gonorrhea

FUNGAL INFECTIONS :

❶ athelet's foot

Not all pathogens are harmful , there are also some harmless pathogens.