Along with sensory receptors, transport information to the integrating center. effectors signal pathways sensory organs user: an example of maintaining homeostasis at the system level would be the liver storing excess sugar molecules endocytosis and exocytosis of substances breathing faster while jogging

it has one origin of replication, but it proceeds in two directions - d)

you must remain stopped until the stop signal is retracted and the red lights are turned off. approaching traffic in the opposite roadway of a divided highway shall not be required to stop, even if the school bus has the stop-arm extended and the alternately flashing warning signal lamps on.