Download science unit A chpt 2 lesson 2

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Unit A, Chpt 2, Lesson 2 p. A54-59
Vocabulary:
Tissue___________________________________________________________________
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Epithelial tissues __________________________________________________________
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Organs___________________________________________________________________
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Organ System_____________________________________________________________
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Circulatory system _________________________________________________________
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Musculoskeletal system_____________________________________________________
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Nervous system __________________________________________________________
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Brain ___________________________________________________________________
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Endocrine system ___________________________________________________________
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Respiratory system_________________________________________________________
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Lesson 2- Specialized Cells
Different Cells for Different Jobs:
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A group of cells that have a common structure and function is called a _________________.
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Both _____________ and ________________ have tissues that perform specific jobs.
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Connective tissue _____________ other tissues together.
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___________________ tissues are sheets of cells that cover surfaces.
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Body functions are performed by special structures called ________________________.
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Several tissue types working together to perform one or more functions are _______________.
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A plant’s leaves, roots, and flowers are ____________________.
Organ Systems:
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_____________ _______________ are groups of organs that work together to perform complex
tasks.
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All of a plant’s leaves make up an organ system that provides _____________ for that plant.
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Oxygen enters the body through the respiratory system. _____________ in the lungs is diffused
into the blood.
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In the __________________ system, blood carries oxygen to the body and removes
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________________ and other wastes.
Blood carrying carbon dioxide travels to the lungs. Carbon dioxide diffuses out of the blood and
into the lungs where it is exhaled.
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The musculoskeletal system supports all parts of your body and allows you to move.
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The headquarters of the nervous system is the _____________. The brain controls the other
_________________ systems.
Endocrine System:
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The glands of the _____________________ system act as communication centers.
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This gland makes and sends out ___________________________ that travel through the
bloodstream.
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Plants also use hormones that may cause the stem to bend toward ______________, or could
direct a plant to grow taller instead of wider.
Test Prep:
Explain how the circulatory system and the respiratory system work together to supply the body with
oxygen and remove carbon dioxide.
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