Answer: D. Cancer
Cancer is when cells grow at an abnormal and uncontrolled rate.
Your skeletal system protects the heart, which is the main organ of the cardiovascular system, b<span>y directing the body to respond appropriately to the information it receives.</span>
The vessel and cardiovascular system pump and transport the blood to the muscles that they additionally <span>would like.
</span>It depends<span> on the </span>metastasis to assist offer<span> it with the </span>Oxygen<span> the muscles </span>want. The cardiovascular<span> and </span>vascular system<span> pump and transport the blood to the muscles </span>that<span> they </span>conjointly want.