Which of the following statements is true?
tissues are less complex than the organs they form.
organs must be made of the same type of tissue
a group of related cells working together is called an organ
organs are less complex than the cells they are made from.

Tissues are less complex than the organs they form.

Explanation:

Tissues are a group of cells that have the same structure and serve a specific function. Organs are more complex since they are made up of multiple tissues that are different in structure and perform different functions. For example tissues that form the lung include connective tissue, epithelial tissues and fibroblasts among others.

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