Organs in animals

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Organs in Animals

Multicellular organisms usually contain differentiated cells, adapted for specific functions

Tissues - consist of similar cells. (epithelial, glandular, muscular)

Organs - contain different tissues working together to carry out a particular functions (heart, lungs, stomach)

Organ systems - contain different organs. They work together in an organism. (respiratiory, circulatory, digestive)

Tissues

During the development of a multicellular organism, cells differentiate so that they can carry out different functions.

 Differentiation is the process by which a cell becomes a specialised type of cell

A tissue is a group…

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