Life Processes
Q1: What do you understand by life processes?
Answer:
All those processes which are essential for the survival and maintenance of the organism. All such processes are known as Life Processes.
Q2: What is the role of saliva in the digestion of food?
Answer:
Digestive enzymes are present in the saliva. These enzymes start breaking the food from the complex into a simple form.
Q3: Which organ plays the main role in excretion in humans?
Answer:
The main organ of the human excretory system is the kidney.
CBSE Class 10 Science Notes Chapter 5 Life Processes
The process that all living organisms perform to maintain their life is called life processes. Living creatures must keep repairing and sustaining their structures. Different maintenance functions are required to regulate the proper functioning of a body. Thus, the process which maintains the body’s functions and is necessary for survival are called life processes. Let’s have an overview of all these life-maintaining processes which describe the qualities of organisms, whether alive or not.