Here's a breakdown:

* Cytoplasm: This is the gel-like substance that fills the inside of a cell. It's primarily composed of water, but also contains many dissolved substances like salts, sugars, proteins, and other organic molecules.

* Function: Cytoplasm provides a medium for the cell's organelles to move around and interact. It also plays a vital role in various cellular processes, including:

* Metabolic reactions: Many chemical reactions essential for life occur within the cytoplasm.

* Transport: Cytoplasm helps transport nutrients and waste products throughout the cell.

* Cell shape and structure: The cytoplasm helps maintain the cell's shape and structure.

While cytoplasm itself isn't a single chemical, it contains many chemicals that work together to keep the cell functioning.