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Chapter 3 Section 2--Vocab Quizlet

Terms in this set (20)

Atom
building blocks of matter
Molecule
smallest part of a compound that has properties of that compound
Unicellular organisms
Perform all life functions by themselves Ex: amoeba or bacteria
Multicellular organisms
many cells work together for the organism. Each cell has its own job.
Proton
positively charged particle found in the nucleus of an atom
Neutron
neutral particle found in the nucleus of an atom
Electron
negatively charged particle in an atom, orbits the nucleus
Cell differentiation
the process by which cells become different types of cells
Stem Cells
unspecialized cells that are able to develop into many different cell types
Meristem
Plant stem cells that can produce many types of plant cells
Tissue
groups of similar cells that work together to carry out a specific job
Muscle tissue
provides movement
Connective tissue
provides support and structure
Nervous tissue
carries messages to and from the brain
Epithelia tissue
your skin and lining of organs and body cavities
Dermal tissue
plant tissue that provides protection and prevents water loss
Vascular tissue
plant tissue that transports water and nutrient for the plant
Ground tissue
plant tissue that provides support and storage for the plant
Organs
groups of different tissues working together to perform a particular job
Organ Systems
groups of different organs that work together to complete a series of tasks or jobs
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