Pick from:
[A]. gastrointestinal;
[B]. respiratory;
[C]. integumentary;
[D]. cardiovascular;

Answer the following question given this paragraph: The cardiovascular system is the system of organs that delivers blood to all the cells of the body. It's like the body's lifeline. Without the cardiovascular system circulating your blood, you couldn't survive. Q: What system of organs delivers blood to all cells of the body? A:
Answer:
[D].