well they are not exactly not really harmful they sometimes are harmful because they are scared....
Is limestone in well water harmful to the human body
The largest external organ in the human body is the skin. It serves as a protective barrier against harmful substances, regulates body temperature, and plays a role in sensation.
Plutonium-239 is a radioactive particle that is harmful to human beings due to its high toxicity and ability to emit high-energy alpha particles, which can damage cells and cause long-term health effects such as cancer and organ failure if ingested or inhaled.
The prokaryotes found in the human body belong to the Kingdom Monera, specifically in the domains Bacteria and Archaea. These microorganisms play important roles in human health, such as aiding in digestion and protecting against harmful pathogens.
lungs
no
Is limestone in well water harmful to the human body
uilo
the harmful bacteria live in air,human body etc.
nön pathogenic fungi is a grp of fungi which are not harmful to the human body or it is commensal to human body.
No, Cobalamin (B12) is a vitamin necessary to the human body.
Only if taken internally.
death
IT;S does not matter the gene which are used to kill insects if it is caused to death of insects so why in human it;s also survive in human body long time i think so it may be harmful.
Alpha Particles
it is a defense to protect them from predators
The weight of bacteria in human body is estimated to be 1 to 2 percent of the entire body mass. Bacteria is useful and can be harmful to the body.