Medulla oblongata (option C) refers to the region in the brain impacted in patients experiencing difficulties with respiration. This area plays a crucial role in managing essential bodily functions like breathing, heart rhythm, blood pressure, swallowing, and vomiting.
Shikonin is a natural compound used in traditional Chinese medicine to treat inflammation, and its anti-cancer properties have emerged recently. It disrupts the levels of calcium ions and reactive oxygen species (ROS), which leads to a loss of functionality in the mitochondria of cancer cells, thus depriving them of the energy essential for survival.