Answer:
b
Explanation:
Gap junctions allow the rapid transmission of electric impulses between the heart cells, allowing perfect coordination.
Golgi bodies...
-collect and package cell building materials and enzymes
-assemble proteins
Hope this helped :D
~Melis
The answer is; Mantle
Convection currents in the mantle drive tectonic plate movements. The convection currents in this regions are like those of water. The cooler upper mantles sink to the bottom and the hotter lower mantle rises. This circulation causes fiction drag with the overlying crust and therefore causes it to drift.
