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52 Cards in this Set
- Front
- Back
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cleans clothes precaution keep out
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Detergent
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kills insects
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Pesticide
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removes substance from body e.g. nail polish
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Solvent
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cleans metal
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metal cleaner
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cleans body
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body hygiene chemicals
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enhance physical appearance
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cosmetic
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a combination of two or more substances where no chemical combination or reaction occurred
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mixture
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the substance being added to a substance
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solute
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the substance being added to
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solvent
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where the substance are not distributed evenly
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hetrogenous
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where the mixture is distributed evenly
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homogenous
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solute distributed evenly to the solvent , transparent , particles too small to be seen by the naked eye , can't be separated by filtration , too small and light weight to settle and form layers
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solution
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particles do not dissolve and settle out quickly to form layers , particles are large enough to be seen with the naked eye and can be separated by filtration
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suspension
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particles of the mixture remain suspended for a long period of time , can't be separated by filtration , uniformly distributed , cloudy
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colloid
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mayonnaise , moisturiser
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liquid in liquid
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butter , ointment
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gas in liquid
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toothpaste , jelly
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solid in liquid
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two liquids that can't be mixed together together
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immiscible
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can be mix oil and water
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emulsifying agent
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a force acting on the particles on the surface of liquids , tending to keep the area of the surface as small as possible causing a film
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surface tension
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chemical substances that reduce surface tension of liquid
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surfacants
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biodegradable but forms hard water
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soap
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accumulated in the environment
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1950's soapless detergents
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provides physical barrier between internal and external body , control body temperature , protects against disease
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skin
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breaks down in 28 days
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soapless detergents soft detergents
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tubes that carry blood as it circulates arteries bring oxygenated blood back to the heart and lungs
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blood vessels
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the layer of the skin just beneath the epidermis
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dermis(cutis)
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the outer layer of the skin
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epidermis
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a tube shaped sheath that surrounds the part of the hair that is under the skin
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hair follicle
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a muscle is connected to each hair follicle and the skin
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hair erector muscle
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a cell in the epidermis that produces melanin
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melanocyte
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nerve receptors that respond to pressure and vibration ,they are oval capsules of sensory nerve fibers located in the subcutaneous fatty tissue
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pacinian corpuscle
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the part of the hair above the skin
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hair shaft
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a small sack shaped gland that releases oily liquids onto the hair follicle
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sebaceous gland
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a tube shaped gland that produces perspiration
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sweat gland
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microscopic organisms that inhabit a certain environment
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microflora
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a scale used to describe the acidity of a substance
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p.h
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breaks down and removes the oil from skin and hair
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surfactants / emulsifiers
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to stop hair and skin becoming dry
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oils
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to make a product smell nicer
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fragrances
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to make product look more appealing
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dyes
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to make the products suitable with the skin
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ph balancers
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prevents spoilage
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preservaties
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inhibit the growth of microbes on the skin and hair
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antimicrobial agents
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stop oxygen reacting to the product
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antioxidents
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attracts water and prevents product from dying out
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humectant
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makes the skin and hair feel soft
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emolient
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inserted under the skin which constantly releases medication of a period of time
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sub dermal implants
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physically and chemically break down food for energy production
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digestive system
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a chemical substance needed by the body to maintain healthy tissue
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vitamins
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stored the body fat tissue
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adek
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absorbs in water
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bc
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