Question

How do tissues exhibit division of labour? (BIOLOGY - CLASS IX)

Answer 1

Answer:

In humans, for example, muscle cells contract and relax to produce movement. Nerve cells are specialised to carry messages, blood flows to transport oxygen, food, hormones etc. In plants, vascular tissues conduct water from one part of the plant to the other. Thus multi-cellular organisms exhibit division of labour.

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Answer 2

Answer:

In multicellular organisms ,there are millions of cells..... this means that a particular function is carried out by a cluster of cells at a definite place in the body