Humans have nearly 80 different kinds of organs. each organ serves a specialized
purpose in the body. for example, the brain serves as the control center of the body.
what do single-celled organisms have that serve the same purpose as organs?

o molecules

organelles

tissues

atoms

The correct answer is B. Organelles.

Explanation

An organelles are units that are part of the unicellular organism or a cell. Each of these units has various specific functions provide structure to the organism of which they are part. According to the above, organelles are the component of unicellular organisms that have the same purpose of organs in multicellular organisms, because their functions contribute to the life of organisms. So, the correct answer is B. Organelles.