Cancer is basically a disease of uncontrolled cell division.
Answer:
Pretty sure it is Bedrock my good fellow.
Explanation:
Jack. A signpost is a non-living thing and non living things do not grow. Sam is an adult and he has stopped growing already. Jack is a child and will continue growing the next few years.
Coal from swamp plants that formed millions of years ago.
1) breathing
2) emotional stress
3) physical stress
4) vagal stimulation
5) medications
6) illness
7) diseased heart
