1. All living things are made of cells.
2. The purpose of the cell is to organize.
3. Cells are made of organelles
4. Cells are made of proteins.
5. There are many many cells in a living thing.
Answer:
the heart
Explanation:
the heart pumps blood through the body
The correct answer is B. Pain receptors. Pain receptors are activated by a type of stimulation such as getting hit or cut. These receptors carry this information to our brain using neurotransmitters which then our brain interprets this as pain.
The centrioles are at opposite poles