How many primary routes of entry of hazardous materials into the body exis
How many primary routes of entry of hazardous materials into the body exis
the pathways by which hazardous materials may enter the body
The most common route of entry for hazardous materials is inhalation, closely followed by skin contact.http://wiki.answers.com/What_is_the_most_common_route_of_entry_for_hazardous_materials#ixzz1tCem38SH
Nasal passages. Pores (such as tear ducts) Pores in exposed skin.
A dictionary entry is primar. __--FROM GENIUS--__
yes
Perhaps...
You would consult a primary source for a first and personal view of an historical event. Primary sources are original materials.
The most significant route of entry into the body for pathogens is typically the respiratory tract, as it allows for easy inhalation of airborne viruses and bacteria. Other important routes include the gastrointestinal tract through contaminated food or water, and breaks in the skin that can introduce pathogens directly into the bloodstream. The effectiveness of these routes can vary based on the type of pathogen and the body's immune response. Overall, the respiratory system is often considered the primary entry point due to its accessibility and the high volume of air exchange.
They are absorption, injection, ingestion, and inhalation.
The four main routes of entry into the body are ingestion (eating or drinking), inhalation (breathing in gases or particles), absorption (through the skin or mucous membranes), and injection (directly into the bloodstream through a needle or injection).
a portal of entry is the route a pathogen takes to enter a host. Typical routes include : mucous membrane, skin and parenteral.