The 650 skeletal muscles in the human body contract when they receive signals from motor neurons, which are triggered from a part of the cell called the sarcoplasmic reticulum. Motor neurons tell your muscles to contract and the better you become at having those signals tell your muscles to contract, the stronger you can get.
an egocentric child is in the preoperative stage of development
Answer:
you have been answering my questions so ill help you im a guy
and so o prolly help get a fried to ask him if hes into you but one of his that he trusts and you trust and get him to ask you out if you wanna be single forever that will prolly make that will prolly you forget about that promise/pact of being single forever
Explanation:
C because once you start you finish, also could be skipped if she was concerned about a heart attack
