This term is antisepsis. Most of the human body, internally is free of microbes. But not all. The mouth and esophagus have normal microbes as does the upper respiratory tract including the nose. The lower portion of the digestive tract, very low in the urinary tract and the genital tracts there are normal microbes.
In the human gastrointestinal tract, the endogenous fluid is not actually water. It is the enzymes that break food down into particles that can be absorbed by the body.
Epithelial cells are the outer cells of the skin.
Within the Gastrointestinal tract of the human body
The bacteria invades the body through nose, mouth, ears,eyes,breach in skin, stomach along with small and large intestine, urinary tract and through genital tract in females. It affect immunological system which take it offensively.
The digestive tract.
digestive tract
Through the digestive tract look it up...
The waste removal system, or excretory system,gastrointestinal tract, (GI tract.)
Ulnar Uvula Urinary tract uterus?
The digestive tract, but most specifically, the intestinal tract, or just plain old, "Guts".
This term is antisepsis. Most of the human body, internally is free of microbes. But not all. The mouth and esophagus have normal microbes as does the upper respiratory tract including the nose. The lower portion of the digestive tract, very low in the urinary tract and the genital tracts there are normal microbes.
In the human gastrointestinal tract, the endogenous fluid is not actually water. It is the enzymes that break food down into particles that can be absorbed by the body.
Epithelial cells are the outer cells of the skin.
Because human body does not have enzymes to breakdown the iron compound, for it to be absorbed into gastrointestinal tract. The animals do have those enzymes in their GI tract hence they obtain sufficient iron from the plants.
The gasterointestinal system includes the entire alimentary tract, which ends at the rectum.
The respiratory tracts are divided into three segments. Scientists believe that there are 20 to 23 divisions. The respiratory tract is part of the process of respiration in a human body.