Match each example of behavior to the correct stage of the addiction cycle. Ritual
?
Emily cannot stop thinking
about cigarettes and what
it would feel like to smoke
one.
Using
?
Emily reaches for the pack
of cigarettes in her purse
without even thinking
about it.
Guilt
?
Emily smokes a cigarette.
Craving
?
Emily is frustrated with
herself for smoking when
she was trying to quit.

answer: proteins

explanation: complement is   system of circulate in the blood in a inactive form

i believe is what you're looking for?

since you have not provided the options here i   am going to give you general overview about hormone.hormone are actually the part of endocrine system in our body and produced by the endocrine glands. the hormones act like a chemical messenger   within human body. once produce by the glands they   travel through the blood stream and reach at specific or target tissue and organs   which result in control of our body function. the hormones are specific in their work and work on only the targeted tissue or organ   . with the of hormone endocrine system regulate the heart rate , metabolism, our mood and   growth as well as the development and even the sleeping cycle etc. they actually are the messenger for body cell and organs .