Question

Which system in human body is a major factor determining the number of microbes in body?

Answer 1

Answer:

The human microbiome is the aggregate of all microbiota that reside on or within human tissues and biofluids along with the corresponding anatomical sites in which they reside,[1] including the skin, mammary glands, placenta, seminal fluid, uterus, ovarian follicles, lung, saliva, oral mucosa, conjunctiva, biliary tract, and gastrointestinal tract. Types of human microbiota include bacteria, archaea, fungi, protists and viruses. Though micro-animals can also live on the human body, they are typically excluded from this definition. In the context of genomics, the term human microbiome is sometimes used to refer to the collective genomes of resident microorganisms;[

Explanation:

The human body contains trillions of microorganisms — outnumbering human cells by 10 to 1. Because of their small size, however, microorganisms make up only about 1 to 3 percent of the body's mass (in a 200-pound adult, that's 2 to 6 pounds of bacteria), but play a vital role in human health..

Answer 2

The immune system in human body is a major factor determining the number of microbes in body.

Explanation:  

• The immune system of the body is essential in determining the number of microbes which is present in the body of an individual.

• In diseases, when the immune system fails like that of AIDS, the number of microbes increases a lot.  

• The immune system consists of humoral immunity which is provided by the antibodies in the blood and the cellular immunity which is produced by the neutrophils in the blood.  

• The immune system gradually develops after birth and increases greatly during the teenages.

Learn more about immune system

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