Answer:
Food
Explanation:
The food that you eat is like the gas to a car, it can not function with out it. But certain foods are better than others, and it helps a lot with some functions in your body!
Answer:
immune system nervous system and endocrine system
I think it's one third, but I'm not entirely sure.
Hope I helped to some extent!
Answer:
I just needed some points, so thank you for being so kind and generous to give me this opportunity.
