7th Grade Science 1st semester vocabulary
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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| urinary system | the body system responsible for the removal or urea, salts and excess water
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| kidneys | organs that filter urea, salt and excess water from the blood; made up of nephrons
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| bladder | organ that stores urine until it is released outside the body
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| esophagus | tube that carries food from the mouth to the stomach
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| stomach | organ in the digestive system that breaks down food with acid and movement
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| muscles | tissues that allow internal (smooth muscle) and external movement (skeletal muscle)
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| skeletal system | body system responsible for movement, blood cell production, storage, protection and structure
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| digestive system | body system that processes food to extract nutrition and energy for cells
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| muscular system | body system that provides movement and protection
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| epidermis | outermost layer of skin, constantly shedding epithelial cells
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| integumentary sytem | body system that provides protections by covering entire body
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| blood cells | cells in the circulatory system that help carry nutrients and needed supplies to all body cells
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| diaphragm | muscle in the torso that creates air pressure changes so you can breathe
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| lung | an organ of the respiratory system that handles the exchange of carbon dioxide and oxygen
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| respiratory system | body system that takes in oxygen and expels waste carbon dioxide
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| brain | organ of the nervous system that controls all body functions
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| circulatory system | body system that handles transport of all needed supplies to all cells of the body
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| hormones | chemicals secreted in glands that are released as needed to assist in bodily functions
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| endocrine system | body system that sends chemical messages to different systems as needed
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| reproductive system | body system that creates new members of the species
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| nervous system | body system that controls and coordinates all bodily functions
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| cell membrane | gatekeeper of the cell; decides what gets in and out; all cells have one
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| cytoplasm | gel like substance that holds all the organelles in place
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| cell wall | outer structure of plant cells that provides extra structure
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| pupil | inner part of the eye that controls how much light gets in
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| external | on the outside
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| internal | on the inside
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| stimuli | something that produces a response; can be internal or external
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| response | reaction to a stimuli; eg. jump when you hear a loud noise - the noise is the stimulus, the jump is the response
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| ear canal | tube in your ear that sound enters through
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| goiter | a growth on your thyroid
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| gizzard | a special part of a bird's digestive system
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| enzymes | chemicals the pancreas produces to aid in the chemical digestion of food
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| chyme | the mixture of acid and food that moves from your stomach into your small intestine
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| secretions | fluids released by the body such as saliva
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| gland | an organ of the endocrine system that produces hormones; each gland produces a specific hormone
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| reflex | an involuntary reaction to a stimulus
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| valve | a tissue that temporarily blocks an opening; e.g. epiglottis
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| organic compound | a compound that contains carbon and one of the Fab Five (hydrogen, nitrogen, oxygen, sulfur, phosphorus)
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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