This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. NEW SHARON, Iowa -- Three young brothers are dead after a crash in Mahaska County Thursday. The Iowa State Patrol says a truck driven by 41-year-old Shawn Schippers collided with a car driven by 16-year-old Jamie Singletary at the intersection of Queens Avenue and 130th Street, east of New Sharon, around 1:00 p.m. They say both vehicles went into the ditch.
Video: Sympathetic Nervous System: Definition, Function & Effects. The autonomic nervous system is the portion that controls all of the involuntary functions of the body. This includes the body's response to emergency situations. In this article, we discuss the sympathetic nervous system and its responses under these circumstances.
The efferent leg of the peripheral nervous system is responsible for conveying commands to the muscles and glands, and is ultimately responsible for voluntary movement. Nerves move muscles in response to voluntary and autonomic (involuntary) signals from the brain.uscle is a soft tissue found in most animals. Muscle cells contain protein filaments of actin and myosin that slide past one another, producing a contraction that changes both the length and the shape of the cell.