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Tina J

SCI220--5 Human Anatomy Week 1-5

TermDefinition
Atoms Tiny spheres of matter so small they are invisible.
Mitochondria The powerhouses of cell that provide energy needed by the cell to carry on day-to-day functioning, growth, and repair.
Ionic Bonds A chemical bond formed by the transfer of electrons from one atom to another is called an ionic, or electrovalent, bond.
Covalent Bonds A chemical bond formed by the sharing of one or more pairs of electrons between the outer energy levels of two atoms.
Effector Are organs, such as muscles or glands, that directly influence controlled physiological variables.
Hypothalamus When cold weather causes the body temperature to decrease, feedback information is relayed through the nerves to the thermostat in a part of the brain.
Amino Acids The elements that make up a protein molecule are bonded together to form chemical units.
Nucleotides Nucleic acid molecules are polymers of thousands and thousands of smaller molecules.
Epidermis Is an epithelial layer derived from the ectodermal germ layer of the embryo.
Stratum granulosum Where the process of surface keratin formation begins.
Simple epithelium An arrangement of epithelial cells in a single layer.
Compact bone tissue The type of bone tissue that forms the hard shell of a bone.
Created by: user-1989220
 

 



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