because bacteria and virus cant pass through them, generally.
Immunology is the medical term that refers to the study of the body's defense against diseases and foreign substances. It focuses on understanding how the immune system works to protect the body from infections and other harmful invaders.
Neutrophils
The immune system is the body's defense mechanism against pathogens like bacteria, viruses, and parasites. It works to identify and neutralize these potentially harmful invaders to protect the body from infections and diseases. The immune system includes various cells, tissues, and organs that work together to mount a response against foreign substances.
The defense function of the body is called the immune system. It is responsible for protecting the body against foreign invaders such as bacteria, viruses, and other harmful pathogens. The immune system comprises a network of cells, tissues, and organs that work together to defend the body.
Unwillingness to be oppressed by foreign invaders.
The T cell belongs to the immune system. It plays a critical role in the body's defense against pathogens and other foreign invaders by recognizing and destroying them.
The primary purpose of the army is to provide a defense against foreign invasion.
The body's defense system is the immune system.
The human body's defense against disease is directly related to the immune system. The immune system is responsible for protecting the body from harmful pathogens such as bacteria, viruses, and other foreign substances. It does this by identifying and destroying these invaders to help keep the body healthy.
immunology
cell wall and cell membrane
Executive, through the Department of Defense.