These are examples of the first specialized tissues.

a. antennae
b. eyes
c. kidneys
d. tentacles

The best and most correct answer among the choices provided by your question is is the third choice or letter C. Eexamples of the first specialized tissues are the kidneys. 

There are four main types of specialized tissue in the human body; epithelial, connective, nervous, and muscular. All of the structures in our body are made up of a different combination of the four types of tissue. There are billions of cells in our body.

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