Question

What is utility of tissues in multi cellular organisms

Answer 1

In multicellular organisms, several cells are grouped to form tissues. These tissues perform particular function at a definite place in the body. For example, nerve cells from the nervous tissue which helps in transmission of messages.

Answer 2

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• In unicellular organisms, a single cell performs all the basic functions such as respiration, movement, excretion, digestion, etc. But in multicellular organisms, cells are grouped to form tissues.

• These tissues are specialised to carry out a particular function at a definite place in the body.

• For example, the muscle cells form muscular tissues which helps in movement, nerve cells form the nervous tissue which helps in transmission of messages.

• This is known as division of labour in multicellular organisms.

• It is because of this division of labour that multicellular organisms are able to perform all functions efficiently.

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