A soft, grayish metal with poisonous salts; atomic number 82, atomic weight 207.2, symbol Pb.
D011247
Pregnancy
The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH.
Gestation,Pregnancies
D005260
Female
Females
D006801
Humans
Members of the species Homo sapiens.
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D014873
Water Pollutants
Substances or organisms which pollute the water or bodies of water. Use for water pollutants in general or those for which there is no specific heading.
Water Pollutant,Pollutant, Water,Pollutants, Water
D014874
Water Pollutants, Chemical
Chemical compounds which pollute the water of rivers, streams, lakes, the sea, reservoirs, or other bodies of water.
Chemical Water Pollutants,Landfill Leachate,Leachate, Landfill,Pollutants, Chemical Water