Answer:
Virus
Explanation:
Viruses are even smaller than bacteria and require living hosts — such as people, plants or animals — to multiply. Otherwise, they can't survive. When a virus enters your body, it invades some of your cells and takes over the cell machinery, redirecting it to produce the virus.
1. carbohydrates-helps the brain
2. protein-structure component
3. fat-obsorbtion
4. vitamins- helps synthesis
5. minerals-maintains fluids
6. water-maintains homeostasis
hope this helps
