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Unit 1

Across
A collection of tissues that carry out a specialized function of the body.
Absence of life.
To limit one's attention or energy to one subject.
Two or more cells.
A living thing.
Pertaining to life.
That are the basic units of structure and function in living organism.
Down
Nucleic acids that are located in the nucleus; the chemical basis of heredity.
One cell.
Usually microscopic structure the basic structural unit of all organisms.
A group of organs that work together to preform a specific function.
A collection of similar cells that preform a particular function.