Depends on your options. I would go with one that is single-celled, like a bacterium
Answer:
D. .................................
Answer:Helping the plants grow.
Cleaning.
Building.
Explanation:
Your nervous system guides almost everything you do, think, say or feel. It controls complicated processes like movement, thought and memory. It also plays an essential role in the things your body does without thinking, such as breathing, blushing and blinking.
