Across
1
Nerve cell in the brain
4
Measure of matter in an object
6
Gas essential for breathing
7
Unit of heredity
8
Center of an atom or cell
Down
2
Mass per unit volume
3
Absolute temperature scale unit
5
Element found in all living things
Nerve cell in the brain
Measure of matter in an object
Gas essential for breathing
Unit of heredity
Center of an atom or cell
Mass per unit volume
Absolute temperature scale unit
Element found in all living things