Would You Consider Essential for Maintaining Life?

Answer: Respiration, nutrition, circulation or transportation and excretion are processes essential for maintaining life.

What is essential for maintaining life?

In humans and other vertebrates, certain processes are considered critical for sustaining life. These include respiration, nutrition, digestion, excretion, reproduction and metabolism. Respiration is one of the important life processes required for sustaining life.

What are life processes Why are the essential?

They are necessary for survival. These basic essential activities performed by an organism are called life processes. Important life processes include nutrition, transportation, metabolism, respiration, reproduction and excretion, which help in the maintenance of living organisms.