Signals that decrease the heart rate. The vagus nerve is the longest cranial nerve. Parasympathetic nerves (e.g., the vagus ne... Baca selengkapnya »
![no image](http://4.bp.blogspot.com/-b9kfnZlObjc/UGxyCcbigjI/AAAAAAAAFd4/xPPqLCo9uCA/s1600/no_image.jpg)
Signals that decrease the heart rate. The vagus nerve is the longest cranial nerve. Parasympathetic nerves (e.g., the vagus ne... Baca selengkapnya »