Some ages of license are actually higher than the age of majority. For example, the age of license to purchase alcoholic beverages is 21 in all U.S. states. Another example is the voting age, which prior to the 1970s was 21, while the age of majority was 18 in most states.
The nervous system is composed of the brain and spinal cord, together known as the central nervous system, and a vast array of peripheral nerves that transmit information to and from these central structures. The nervous system may be damaged by infection, injury, vascular problems, inflammation, and degeneration.
Iâm not going to get into a big scientific rant on the various aspects of the nervous system and what they do. Really all you need to know is that the central nervous system includes your brain and spinal cord and connects to your muscles through the peripheral nervous system.Thus, the central nervous system controls your muscles.When you contract a muscle, a message goes down your brain and spinal cord where it eventually connects to the individual muscle motor units through something called a neuromuscular junction.âm not going to get into a big scientific rant on the various aspects of the nervous system and what they do. Really all you need to know is that the central nervous system includes your brain and spinal cord and connects to your muscles through the peripheral nervous system.