Materials that are toxic to humans if inhaled swallowed absorbed or enter through breaks in skin?

Toxic materials that can harm humans upon inhalation, ingestion, or absorption include various chemicals such as heavy metals (like lead and Mercury), certain pesticides, and industrial solvents. Additionally, substances like asbestos and certain biological agents can pose severe health risks. Exposure can lead to acute or chronic health effects, impacting organs and systems within the body. Proper safety measures and regulations are essential to minimize risks associated with these toxic materials.