Answers. Relevance. Rating Newest Oldest. Best Answer: a Spanish term that was formerly used in the Spanish Empire to designate people of mixed European (Spaniard) and Amerindian ancestry living in the region of Latin America.[1] The word originated from the Romance language / Latin word Mixticius, meaning mixed.
The major mechanism of lead toxicity is due to increased generation of reactive oxygen species (ROS) and interference with generation of antioxidants. Lead causes the generation of ROS like hydroperoxide, hydrogen peroxide, and singlet oxygen. ROS are stabilized by glutathione in the body.
Lead is a neurotoxin. It is much more dangerous for children than adults because it affects kidsâ developing brains and nervous systems. The younger the child, the more harm lead can cause. Lead can cause serious health effects: 1  kidney problems. 2  anemia. 3  hearing loss. 4  developmental delay, or losing earlier skills.