Infiltrate the world of bacteria inside the human body

The human body is home to trillions of bacteria, but we cannot see them.

The 'amazing' world of bacteria in the human body

In the past, the role of natural bacteria was largely overlooked, but the latest analysis of DNA structure in the environment revealed the diversity and practicality of this microbial community. There are about 500 different species of bacteria in the human body. In an adult, the estimated number is about 100 trillion cells.

The number of parasitic germs that can cause harm to us can be said to be quite large but in general, most bacteria exist to be useful for our bodies, helping people stay healthy and longer. . The interaction between people and bacteria is a symbiotic relationship . They absorb food in our bodies but in turn help people produce vitamins, increase the ability to digest and enhance the immune system, helping to counteract the effects of 'bad' bacteria or dangerous pathogens. .

As we can see in nature, pets are often more susceptible to disease and have a much shorter lifespan than wild animals even though they live in a much cleaner, safer environment. It is the most vivid proof for the important role of bacteria.

Two strains of bacteria (green and blue) on human skin.Many types of bacteria live on human skin, especially in sweat glands and hair follicles.Some strains of bacteria can cause acne, but most are not harmful.

About 500 to 1,000 strains of bacteria live in each of our bodies.Their number is about 100 trillion, up to 10 times the amount of cells that make up a human body.

Escherichia coli bacteria in the digestive system.They can cause diarrhea.

Dr. Roy Sleator, a lecturer at Cork Institute of Technology in the UK, says the total amount of bacteria in the human digestive system is up to 2 kg.

Hundreds of bacteria on the surface of a cell.

A group of bacteria swim in the human body.

Rod-shaped bacteria and cilia.

The bacteria have whips on one end.Whips help them move.

Enterococcus faecalis, one of the viruses that are resistant to antibiotics in a developmental period.

Helicobacter pylori bacteria in human stomach.They can cause inflammation and stomach ulcers.