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| striated,involuntary muscle found only in the heart |
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| involuntary,nonstriated muscle that controls movement of internal organs |
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| outer, thinnest skin layer that constanly produces new cells to replace dead cells rubbed off its surface |
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| pigment produced by epidermis that protects skin from the sun damage and gives skin and eyes there color |
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| skin layer below the epidermis that contains blood vesssels, nerves, oil and sweat glands, and other structures |
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| substances in foods poteins carbohydrates,fats,vitimins,minerals, and water that provide energy and materials for cell developement,growth,and repair |
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| large molecule that contains carbon,hydrogen,oxygen,nitrogen,,and sometimes sulfur and is made up of amino acids used by the body for growth and for replacement and repair of body cells |
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| building block of proteins |
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| nutrient that is usaully the body's main source of energy |
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| nutrient that stores energy,cushions organs,and helps the body absorbs vitimins |
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| transfer of pollen grains to the female part of a seed plant by angents such as gravity,water,wind,and gravity |
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| in seed plants,the female reproductive part that produces eggs |
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| male reproductive organ inside the flower of an angiosperm consist of a anther,where pollen grains form,and a filament |
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| female reproductive organ inside the flower of an angiosperm cosist of a sticky stigma,when pollen grains land,and an ovary |
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| swollen base of anangiosperm's pistil,where egg-producing eggs |
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| series of events that results in growth of a plant from a seed |
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| tiny openings in a plant's epidermis through which carbon dioxide,water vapor,and oxygen enter and exit |
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| green,light-trapping pigment in plant chloroplasts that is important in photosynthesis |
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| process by which plants and many other producers use light energy to produce simple sugar from carbon dioxide and water and give off oxygen |
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| series of chemical reactions used to release energy stored in food molecules |
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