Cell are important to the body because cell are the building blocks of life that help the human body function ex muscle, Skelton eg
If that rate of your body is too hot u feel cold; and if your body is low (cold) you feel warm.
Risks can accumulate over time through exposure to different things over life which is a normal part of life generally. People who do a lot of crazy things are people who are more prone to having different kinds of risks being brought upon them. If you're working as a construction, it's more likely with time that you will suffer from some sort of work-related accident than someone who works in an office all day long.
