Across
1
Basic unit of life
2
Nerve cell in the brain
7
Element found in all living things
9
Tectonic landmass section
10
Blocking of light by a celestial body
Down
1
Reddish electrical conductor
3
Substance with pH above 7
4
Tissue that contracts for movement
5
Glass that splits light into spectrum
6
Unit of heredity
8
Absolute temperature scale unit
