Chapter 15 discussion
A PHP Error was encountered
Severity: Notice
Message: Undefined index: userid
Filename: views/question.php
Line Number: 223
Backtrace:
File: /home/mycocrkc/do-my-assignments.com/application/views/question.php
Line: 223
Function: _error_handler
File: /home/mycocrkc/do-my-assignments.com/application/controllers/Questions.php
Line: 416
Function: view
File: /home/mycocrkc/do-my-assignments.com/index.php
Line: 315
Function: require_once
Chapter 15 discussion
A target effector, such as the heart, receives input from the sympathetic and parasympathetic systems. What is the actual difference between the sympathetic and parasympathetic divisions at the level of those connections (i.e., at the synapse)?
Why does smoking increase the risk of heart disease? Provide two reasons based on autonomic function.