The answer is B cell wall
Answer:
Cell theory states that living things are composed of one or more cells, that the cell is the basic unit of life, and that cells arise from existing cells.
Explanation:
Answer:
Hope this helps!
Explanation:
"When your body is injured in some way or something else is wrong, your nerves (cells that help your body send and receive information) send millions of messages to your brain about what's going on. Your brain then makes you feel pain." -Why Do I Have Pain? (for Kids) - Nemours KidsHealth
I didn't write that, but I gave credit to whoever did.