Princeton's WordNet(1.50 / 2 votes)Rate this definition: 1  cocoa, chocolate, hot chocolate, drinking chocolate(noun) a beverage made from cocoa powder and milk and sugar; usually drunk hot. 2  cocoa(noun) powder of ground roasted cacao beans with most of the fat removed.
Nerve and Muscles of the Respiratory System. When a spinal cord injury occurs, the lungs and the alveoli remain the same. However, just as the injury affects the nerves that control the muscles of the arms and legs, it also affects the nerves that activate the muscles used for breathing.
Central nervous system. Like your brain, your spinal cord is part of your central nervous system. Its main function is to relay information about what's happening inside and outside your body to and from your brain.Peripheral nervous system. 31 pairs of spinal nerves connect your spinal cord to the rest of your body.These nerves are part of your peripheral nervous system. They carry information in the form of nerve impulses from your spinal cord to the rest of your body and from your body to your spinal cord.entral nervous system. Like your brain, your spinal cord is part of your central nervous system. Its main function is to relay information about what's happening inside and outside your body to and from your brain.