Lesson 3 Human Body Systems
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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| cells | the smallest unit of life
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| tissues | groups of similar cells that perform a specific function, such as muscle tissue
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| organs | groups of tissues that perform a function, such as the stomach
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| body systems | groups of organs working together to perform a function, such as digestion
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| Human body systems | this includes circulatory, respiratory, digestive, nervous, immune, endocrine, reproductive, urinary, skeletal and muscular
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| circulatory system | system which includes the heart and blood vessels; main function is to move the blood throughout the body (aka cardiovascular system)
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| heart | a muscle that contracts to pump blood
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| arteries | blood vessels that carry blood away from the heart to any part of the body
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| capillaries | one of the tiny blood vessels between the terminations of the arteries and the beginnings of the veins
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| veins | blood vessels conveying blood from various parts of the body to the heart
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| respiratory system | system which consists of the nose, throat, trachea (windpipe), and lungs; function is to take oxygen into the body when we inhale and to get rid of waste (carbon dioxide) when we exhale
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| bronchi | two tubes that branch off the trachea (windpipe), one goes into each lung
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| bronchioles | smaller tubes that branch off the bronchi
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| alveolus | a tiny spherical sac that is on the end of each bronchiole
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| digestive system | system which consists of the mouth, esophagus, stomach, small intestine, and large intestine; function is to break down food into nutrients, which are used for cell processes including the production of energy, and to get rid of digestive wastes
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| saliva | a watery fluid, secreted into the mouth by the salivary glands, that functions in the tasting, chewing, and swallowing of food, moistens the mouth, and starts the digestion of starches
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| enzymes | any of various proteins originating from living cells and capable of producing certain chemical changes in organic substances by catalytic action, as in digestion.
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| villus/villi | one of the minute, wormlike processes on certain membranes, especially on the mucous membrane of the small intestine, where they serve in absorbing nutriment
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| nervous system | consists of the brain, spinal cord, and nerves; function is to receive, process, and transmit information, controlling body activities
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| cerebrum | one of three main parts of the brain, which controls functions such as thinking, seeing, and speaking
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| cerebellum | one of the three main parts of the brain, which coordinates movement and position
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| brainstem | one of the three main parts of the brain, which controls breathing and heart rate
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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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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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Created by:
jpiittmann
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