Who wanna be friends or sum? :l

47. a student is frightened by a loud noise, which results in a hormone being released into the blood. the hormone causes the student's heart to beat rapidly. the two systems that work together to cause this reaction are the endo- crine system that secretes the hormone and the (1) nervous system (3) excretory system (2) reproductive system (4) digestive system

Imi dati va rog un rezumat la urmasii lui winnetou

What kind of ingredients is in cocoa puffs