The process by which absorbed food are utilised by the tissues in the living being for energy, growth and maintenance is termed as
a)	Absorption	b)	Assimilation
c)	Catabolism	d)	Digestion and absorption

(b)

Assimilation can be defined as “a process of absorbed food nutrients utilisation by the tissues in living beings for energy, growth and maintenance”. When nutrients from the food are absorbed, they are transferred into the blood circulation and from the blood, these nutrients are transported to different body cells and tissues, where these nutrients become an integral part of the living protoplasm and provides energy, stimulate growth and repair injured tissues of the body. The whole process can be termed as assimilation