The Richter scale doesn't measure quake damage (see: Mercalli Scale) which is dependent on a variety of factors including population at the epicentre, terrain, depth, etc.
The circulatory system works with the muscular system, the nervous system, and the digestive system. The heart is a muscle so it is part of the muscular system. Also the heart and lungs have nerves so it is also part of the nervous system.
The circulatory system and the digestion system wrk together by.... all the systams work together by... the circulatory system is the transportation of the blood throughout your bodyy Full transcript More presentations by Taylor Escamilla