Which earth layer does the following describe? this layer, along with the crust, forms the solid tectonic plates a) upper mantel b) mesosphere c) core d) asthenosphere

What is the function of the somatic nervous system? connects the brain and the spinal cord to the rest of the body carry signals to the muscles and glands includes all nerves controlling the muscular system and external sensory receptors controls internal organs like the heart and bladder