SCIENCE CHAPTER 2

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    Chapter 2 : Blood Circulation and Transport Peredaran Darah Dan Pengangkutan

    Understanding the transport of oxygenin the human ody!emahami pengangkutan oksigen dalam adan

    2.2 "nalysing the human loo!enganalisis darah manusia

    2.# "nalysing the transport system in plant !enganalisis sistem pengangkutan dala tumuhan

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    The functions of the bloodcirculatory system :

    (Fungsi sistem peredaran darah)

    Transport the oxygen to all ody cells.

    !engangkut oksigenTransport $aste products like carondioxide and urea for elimination

    %!engangkut ahan uang sepertikaron

    dioksida dan urea untuk disingkirkan&

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    The structure of the

    'ight (eft

    Atrium Atrium

    Ventricle Ventricle

    Righ

    t

    Righ

    t

    Left

    Left

    )ena ka*a

    )ena pulmona

    rteri pulmonari "orta

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    +xygenated

    lood

    eoxygenatedlood

    +xygen

    Carbondioxide

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    1. ,antung ada empat ahagian: atriumkanan- *entrikel kanan- atrium kiri-

    *entrikel kiri.

    2. )entrikel kiri leih teal eranding*entrikel

    kanan. al ini kerana- *entrikel kiri perlu

    mengepam

    darah ke seluruh ahagian adan.

    Ciri/ciri 0antung :

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    . ungsi in0ap

    supaya darah tidak mengalir alik ke luar 0antungmemenarkan pengaliran darah dalam satu arahsaha0a

    "rteri dan *ena yang teresar :teri : "ortana : *ena ka*a

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    1. The heart has four chamers: leftatrium - left *entricle - right atrium -

    and right *entricle

    2. The left *entricle is thickerthan theright *entricle.

    This is ecause the left *entricleneeded the stronger pressure to pumplood to the $hole ody

    The characteristics of theheart :

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    al*e4s function

    ensure the lood 5o$s in only oneirection.

    he largest artery and *ein :ery : "ortan : *ena ca*a

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    art lungheart

    art $hole odyheart

    Types of !lood Circulatory "ystem

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    tung peparu0antung

    ung seluruh adan0antung

    #enis $eredaran %arah

    Peredaranpulmonari

    Peredaran

    sistemik

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    2.2 "nalysing the human lood !enganalisis darah manusia

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    Type of blood cells#enis sel darah

    6el darahmerah

    "el darahputih

    Platelet

    Ceper D$icekung"ngkut oksigenTiada nukleus

    Bentuk tak tetapBunuh akteria"da nukleus

    6erpihan kecil

    !emantu dalampemekuan darah

    Tiada nukleus

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    Type of blood cells#enis sel darah

    'ed loodcell

    &hite bloodcell

    Platelet

    Biconca*e disc%Ceper D$icekung&Transport oxygen7ithout nucleus

    8ot 9xed

    ill acteriaas nucleus

    6mall piecesTo clot lood

    %utk pemekuan darah&7ithout nucleus

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    ('umpulan %arah anusia)

    "- B- "B- and +"- B- "B- and + oleh menerima darahdari kumpulan mereka sendiri."B ; dikenali seagai penerima uni*ersalkerana oleh menerima darah dari semuakumpulan darah manusia+; dikenali seagai penderma uni*ersal

    kerana oleh menderma darah ke mana/mana kumpulan darah manusia,ika darah yang dipadankan tidaksepadan- darah aan tergumpal dan

    mema$a kematian

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    *uman !lood +roups('umpulan %arah anusia)

    "- B- "B- and +"- B- "B- and + can recei*e lood fromtheir group.

    "B ; called uni,ersalrecipientsecause they can recei*elood from any other lood group+; called uni,ersal donorsecause

    they can gi*e lood to any other loodgroup=f incompatile lood is gi*en in atransfusion- the lood $ill agglutinate

    and causes dead.

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    'umpulan darah yang sesuai

    'umpulandarah

    !oleh terimadari

    !oleh beripada

    "

    B

    "B+

    "- + "-"BB

    -

    + B- "B

    "B-"- B-+ "B+ "-B-"B-+

    P>8>'=!" U8=)>'6"(P>8D>'!"

    U8=)>'6"(

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    !lood group -hich are suitable :

    !loodgroup

    CA.R/C/0V/FR1

    CA. +0V/ T1

    "

    B

    "B+

    "- + "-"BB-

    + B- "B"B-"-B- + "B

    + "-B-"B-+

    U8=)>'6"( '>C=P=>8T U8=)>'6"( D+8+'