A soft, grayish metal with poisonous salts; atomic number 82, atomic weight 207.2, symbol Pb.
D006801
Humans
Members of the species Homo sapiens.
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000395
Air Pollutants, Occupational
Toxic air-borne matter related to work performed They are usually produced by the specific nature of the occupation.
Occupational Air Pollutants,Pollutants, Occupational Air
D000818
Animals
Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA.
Animal,Metazoa,Animalia
D014025
Titanium
A dark-gray, metallic element of widespread distribution but occurring in small amounts with atomic number, 22, atomic weight, 47.867 and symbol, Ti; specific gravity, 4.5; used for fixation of fractures.
D015040
Zirconium
A rather rare metallic element with atomic number 40, atomic weight 91.224, and symbol Zr.