First, because you need to be careful of what you are eating and should not eat.
Second, if you don't care about what you eating it could be really dangerous.
Answer:
looks like A vegatable knife to cut veggies
Explanation:
Answer: The liver.. :
Your liver is your body's largest solid organ. On average, it weighs around 3 pounds in adulthood and is roughly the size of a football. This organ is vital to the body's metabolic functions and immune system. Without a functioning liver, a person cannot survive.
Explanation: Pretty cool if you ask me.