Why is it called "hamburger" if there's no ham?

Scientific method and data analysisa biology student wanted to determine if there is a relationship between resting heart rate and bodyheight. she gathered information from 12 classmates and constructed the table below. resting heart rate (beats per minute)student height (cm)155. 156156165180180190194195

What are the responsibilities of the region of the brain highlighted below? =+= will rate brainiest =+=

How can you tell the difference between rough er from smooth er?