By components do you mean organs? If so...
1. Brain - gives demands ands orders to all of the body to function properly
2. Heart - pumps blood, and keeps the organism receiving the blood alive
3. Skin - protects the tissue from UV Rays that may be harmful
Answer:
a change from one day to the next day
Cancer cells the branch of medicine concerned with the studying and treatment of tumor.
The correct option is B, i took the same test. its correct :)
The correct answer is Marijuana
