The rectus abdominics covers the anterior abdominal wall. its superior attachment includes the xiphoid process and cosatl cartillages of 5 ribs through 7; its inferior attachment includes the pubic symphysis and pubic crest. the muscle depresses the ribs and flexes the vertevral column. which attachment ( superior or inferior) is the origin, and which is the insertion? explain.

really dont know just need some points

that is true   : ) hope this you

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what do the different brain waves do?

explanation:

brainwaves are produced by synchronised electrical pulses from masses of neurons communicating with each other. brainwaves are detected using sensors placed on the scalp. brainwave speed is measured in hertz (cycles per second) and they are divided into bands delineating slow, moderate, and fast waves.