Somatic Nervous System. Somatic nervous system (SONS) is also known as the Voluntary nervous system. The SONS is capable of managing the movements of the skeletal muscles voluntarily. There are efferent nerves present in the SONS to stimulate muscle contractions.All the voluntary movements in the skeletal muscles are controlled by the SONS.omatic Nervous System. Somatic nervous system (SONS) is also known as the Voluntary nervous system. The SONS is capable of managing the movements of the skeletal muscles voluntarily. There are efferent nerves present in the SONS to stimulate muscle contractions.
During pregnancy, more blood clots occur in the left leg because an artery overlying a vein there obstructs blood flow. If your left leg hurts, swells, or turns red suddenly, all signs point to a clot. See your physician immediately or go to the ER.
Since bleeding that occurs in the first half of pregnancy is so common, many wonder what the causes are besides some of the complications already mentioned. Bleeding can occur in early pregnancy due to the following factors: 1  Implantation bleeding can occur anywhere from 6-12 days after possible conception.