Final answer:
Organelles are structures within cells; tissues are groups of cells with similar functions; organs and organ systems work together for specific functions in the body.
Explanation:
Organelles are the structures within cells that carry out specific activities. These include the Golgi apparatus and nucleus, highlighted in blue.
Tissues are groups of cells with similar structure and function, such as epithelial, connective, muscle, and nerve tissues.
Organs are anatomically distinct structures composed of different tissue types, while organ systems are groups of organs working together to perform major functions in the body.
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