7 Sci Ch 1-4 Test 3
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| 8 | young teenagers need AT LEAST this number of hours of sleep each night
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| aerobic | type of exercise that strengthens the heart and lungs and burns fat
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| agent | type of seed dispersal aided by animals, wind and water
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| AIDS | disease caused by HIV
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| allergy | most common disease affecting the immune system
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| alveoli | air sacs in the lungs
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| anatomy | study of an organism's shape and structure
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| angiosperms | flowerings plants
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| anther | Pollination is the transfer of pollen from __________ to stigma
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| arrhythmia | abnormal heart beat
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| arteries | large blood vessels that carry blood away from the heart
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| atherosclerosis | the buildup of fatty deposits in arteries
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| Bacon | developed the scientific method
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| biennials | plants that have 2 growing seasons
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| bilateral | type of symmetry described when a living thing can be cut in equal halves in only one direction
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| brain | organ that alcohol has the most noticeable effect
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| calcium | mineral that promotes strong bones
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| cancer | abnormal cells growing extremely quickly
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| carbohydrates | group of nutrients that includes both sugars ad polysaccharides
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| cardiovascular | body system that transports nutrients and other materials
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| cerebrum | largest section of the brain
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| cocaine | most powerful natural stimulant
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| common cold | mild infection caused by a virus
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| composite | plant family with flower heads made of disk & ray flowers
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| congenital | refers to a disease that someone is born with
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| cuticle | layer of dead skin at the base of the nail
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| dental caries | scientific name for tooth decay
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| depressants | group of drugs that includes alcohol
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| digestive | body system that breaks down food into a form that can be absorbed
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| ecology | branch of biology that studies the relationship between organisms and their surroundsing
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| emotion | strong feeling expressed in a physical way
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| emphysema | disease in which the air sacs in the lungs collapse
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| enamel | hard substance that covers the crown of your teeth
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| environment | surroundings of an organism or group of organisms
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| fiber | indigestible polysaccharide
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| fibrous | type of roots characteristic to monocots
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| fruit | ripened ovary of a flower
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| glucose, oxygen and water | products of photosynthesis
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| hallucinogen | group of drugs that includes marijuana
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| heart attack | what occurs when the coronary arteries become blocked
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| heroin | illegal drug that comes from the opium poppy
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| hypertrophy | refers to the enlargement of muscles due to exercise
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| hypothesis | sensible explanation to a scientific problem
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| integumentary | body system that covers and protects the body
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| iron | mineral needed for the transport of oxygen in the blood
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| law | scientific idea that has survived many experiments and observations without ever being proven false
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| lipids | group of nutrients that includes fat
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| liver | largest internal organ of the body
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| lymphatic | body system that circulates certain body fluids and protect your body from disease
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| malnutrition | condition that occurs when someone does not get proper nutrition because of a poor diet
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| metastasis | the process by which malignant tumors spread to other parts of the body
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| muscular | body system that moves body parts
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| nervous | body system that controls the other body systems
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| nicotine | drug found in tobacco
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| one | maximum number of variables in a properly designed experiment
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| pea | plant family that helps restore nitrogen to the soil
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| petiole | stalk that attaches a leaf to a stem
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| pimples | what white or black mounds occur when sebaceous glands become clogged
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| pineal | gland that serves as an internal clock
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| pituitary | gland that controls other glands
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| plaque | thin, sticky film of bacteria that forms on teeth
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| potassium | mineral that helps muscles move correctly and maintains water balance
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| proteins | group of essential nutrients made of amino acids
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| respiratory | body system that provides oxygen and removes carbon dioxide
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| six | number of glasses of water a person needs per day
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| skeletal | body system that supports the body
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| stigma | sticky top of the pistil
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| stimulants | group of drugs that includes nicotine, cocaine and crack
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| sun protection factor | what SPF stands for
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| sweat | type of gland that helps keep the body cool
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| tissue | group of cell designed to work as one unit
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| unsaturated | type of fat usually found in vegetable oils
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| urinary | body system that removes liquid wastes
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| vitamin A | nutrient essential for normal growth, good eyesight, and healthy skin
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| xylem | the vessels in plants that carry water and nutrients upward
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