However, if the battery gives up outside of warranty or you damaged it somehow, Apple requires you pay $79 + $6.95 shipping to get a new one, and you wonât have your handset for 3-5 business days while they replace it.or the iPhone 6 Plus the price increases to $129. If you have AppleCare+ then you get two incidents of accidental care covered, however, thereâs still a $79 service fee to pay.
The main organs of the nervous system, that is the brain and the spinal cord form the central nervous system. Brain. The brain is one of the most important organs in the human body system. It is the center of all commands.It monitors all the conscious and unconscious processes of the body.he PNS is further divided into the somatic nervous system and the autonomic nervous system. The somatic nervous system contains sensory (afferent) neurons that carry information from organs/muscles to the CNS, and motor (efferent) neurons that carry information from the brain and spinal cord to muscles of the body.
The brain sends messages through the spinal cord and nerves of the peripheral nervous system to control the movement of the muscles and the function of internal organs. The basic working unit of the nervous system is a cell called a neuron.The human brain contains about 100 billion neurons. The central nervous system is made up of the brain and spinal cord. 2  The peripheral nervous system is made up of the nerve fibers that branch off from the spinal cord and extend to all parts of the body, including the neck and arms, torso, legs, skeletal muscles and internal organs.