Across
1
Nerve cell in the brain
4
Tissue that contracts for movement
6
Curved glass that refracts light
7
Magnetic metallic element
Down
2
Particle of light
3
Center of an atom or cell
5
Unit of heredity
8
Hottest planet in solar system
Nerve cell in the brain
Tissue that contracts for movement
Curved glass that refracts light
Magnetic metallic element
Particle of light
Center of an atom or cell
Unit of heredity
Hottest planet in solar system