wire crossing wire switch (figure available in print form) (figure available in print form) (figure available in print form) (figure available in print form) (figure available in print form) Some Simple Circuits 1) single source ____ single load 2) single source ____ single load ____ switch 3) single source ____ two bulbs ____ switch 4) double source ____ two loads ____ switch Electricity Handout Comparing An Electric Circuit to the Circulatory System The Human Circulatory System A Closed Circuit pump = the heart pump = the source = a battery or electric current substance that flows = blood flow = electrons carriers of the fluid that leave carries the electrons to the load the heart = arteries = wires the load = the cells the load = a bulb, a buzzer, a bell, a motor, etc .
(the heart; pump; ) (a battery or electric current substance; flows; ) (the fluid; carries; the electrons; to the load) (the load; =; the cells)
the heart a battery or electric current substance the fluid the load
pump flows carries =
the electrons to the load
the cells