completing a circuit causes _  to flow through that circuit
heat energy pulse heat photons complete energy Heart rate electrons
A B C D E F G H
An electrical current is a flow of electrons.
completing a circuit causes electrons to flow through that circuit
completing a circuit causes _  to flow through that circuit (A) heat energy (B) pulse (C) heat (D) photons (E) complete (F) energy (G) Heart rate (H) electrons