Given a statement and question, generate the answer to the question such that the answer is contained in the statement.

statement: individual nerve cells transmit nerve signals to other cells., question: What transmits nerve signals to other cells?
individual nerve cells

statement: Binoculars are optical tools., question: What are optical tools?
Binoculars

statement: human teeth are important for breaking down food., question: What are teeth important for?

breaking down food