Glossary results for "K"

a fibrous protein that makes up the outer layer of your skin, hair, and nails

responsible for filtering the blood, removing waste products, and regulating blood pressure

a unit of mass that is equal to 1,000 grams

the energy of motion

the second highest taxonomic rank in biology, just below domain

a complex joint that connects the thighbone (femur) to the shinbone (tibia) and the patella (kneecap)

a chemical element with the symbol Kr and atomic number 36