The ocean floor is growing by 8 centimeters every five years. what is the speed of the ocean floor's growth?

 At spreading rates of about 15 cm (6 inches) per year, the entire crust beneath the Pacific Ocean (about 15,000 km [9,300 miles] wide) could be produced in 100 million years.  For currents it can reach as high as 250 cm/sec (98 in/sec, or 5.6 mph

Explanation:

i think its control and coordinate because im pretty sure thats what tissue does and the joints are what control movement and then your skeletal/ bones provides portection. hope that .