Sunday, November 17, 2019

Muscles Research Paper Example | Topics and Well Written Essays - 500 words

Muscles - Research Paper Example When the muscle needs to relax, an enzyme called acetylcholinesterase breaks down the existing acetylcholine that is in the synapse which terminates contraction. The sarcoplasmic reticulum ceases production of calcium II ions and immediately begins reuptake of the pre-existing ions. The muscle is then returned to its original shape via movement of muscle fibers. (2)Both systems are vital to our structure and our movement. The skeletal system is the support frame for our entire body. In some cases it encases vital organs (ie skull is to brain as rib cage is to intestines). However, the musculature in our body allows for vital functions to be carried out such as heart rate for blood pressure, movement of food for digestion as well as serving an important motor function as well. Muscles are attached to almost every part of the skeletal system. Without the skeletal system, our bodies would collapse under the weight of the muscles and without the musculature, we would not be able to carry out vital functions in our bodies as well as have locomotion. (3)The extensor carpi radialis was what allowed Ann to reach for the box on top of the refrigerator. This happens through muscle passively lengthening.

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