Five possible negative effects of crime in community?

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

Can someone translate the swahili word 'cheo' for me ? i do not understand.

Read this sentence. although the idea was foreign to me, i still thought i would give it a try.