What is the most life threatening system in a human body

Miraculous machine we call the human body is made up of billions of cells. ...Most life-threatening emergencies affect one or more of the body's three mostimportant and sensitive systems – respiratory, circulatory and nervous. e major organs of these three systems are the heart, lungs, brain and spinal cord.

It is the respiratory circulatory and nervous system s and their major systems are lungs heart brain and the spinal cord

The moths will eventually become extinct

Interacting group of various species in a common location. for example, a forest of trees and undergrowth plants, inhabited by animals and rooted in soil containing bacteria and fungi, constitutes a biological community.