1)what organs make up the organ system , the circulatory system. 2)Bone tissue are shown on the left. what is the difference between tissue and specialized cells.

1. Circulatory system is made up of your heart, arteries, veins and capillaries.

2. There isn't a photo attached. But Specialized cells perform specialized functions in multicellular organisms. Groups of specialized cells cooperate to form a tissue, such as a muscle. Different tissues are in turn grouped together to form larger functional units, called organs.

Explanation:

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a = executive branch; b = judicial branch