yes the heater core can be bypassed by connecting the heater
hoses together
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The pulmonary circuit is commonly bypassed in fetal circulation.
This is because fresh blood is provided by the mother to the
fetus.
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The steering wheel cannot be bypassed to rewire turn signals in
a 1989 Chevy Corsica. The switch for the wires is in the steering
column. If the steering wheel were bypassed, the wires would not be
connected to the switch.