HARITHA,Subject Matter Expert at Edumarz
Solution:Multicellular organisms are characterised by the presence of millions of cells. Different cells are combined to form tissues.Tissues combine to form organs, and organs combine to form organ systems.Organ systems are specialised to perform functions that are essential for the survival of organisms.
Organ system in multicellular organisms
Respiratory system:It is responsible to exchange gases in organisms
Digestive system:It is responsible for digestion and absorption of food
Immune system:It is responsible for protecting the body from harmful pathogens
Excretory system:It is responsible for removing wastes from the body
Nervous system:It is responsible for coordinating functions of body systems
20 thoughts on “Multicellular organisms have division of labour. Explain.”
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