Answer: Organelle
Explanation: A nucleus is an organelle that functions as the cell's brain, regulating its production of proteins and genetic material. The nucleus governs the cell's production of these substances by means of its deoxyribonucleic acid or DNA. ... It contains information that determines the cell's purpose and function.
Answer:
a
Explanation:
bones have nothing to do with your red blood cells
Answer: All of them but the last one
Explanation: If people are supposed to evacuate their houses after an earthquake happens so should people at the hospital.
