science form 1 - chapter 2.3 by kelvin
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8/18/2019 Science Form 1 - Chapter 2.3 By Kelvin
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SCIENCE FORM 1 - CHAPTER2.3
- Cell organisation in thehuan !o"#
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Contents
Title )ate P*
2.+ Organisation o,
ell
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2. Cell 10/3/201+
2. Tissue - -
2. Organ - -
2.10 S#ste 1/3/201+ 11
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2.+ Organisation o, ellCell - The !asi unit that a4es u5 the
!o"#. E6a5le 7 re" !loo" ell8 9hite!loo" ell. ii.
Tissue a"e u5 o, the sae t#5e o, ells
that 9or4 together to 5er,or a,untion. E6a5les7 e5ithelial tissue 8usle tissue8 !one tissue an" ner:etissue.
Organ - Ma"e u5 o, "i;erent tissues that9or4 together to 5er,or a ,untion.E6a5les 7 !rain8 e#es8 nose8 ears8
lungs8 heart an" s4in.P*3
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S#ste - Ma"e u5 o, "i;erent organsthat 9or4 together to 5er,or a
,untion. There are ten s#stes inthe huan !o"#.
E6a5les
S4eletal s#ste1. E6retor# s#ste
2. Musular s#ste
3. Res5irator# s#ste
. $loo" irulator#
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S#ste
1. )igesti:e s#ste
2. '#5hati s#ste
3. En"orine s#ste
. Ner:ous s#ste
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2. Cell
1. E:er# ell struture 5er,ors a ,untion ,or theell.
2. The ,untion o, a hloro5last is to arr# out5hotos#nthesis to a4e ,oo" ,or the 5lant.
3. Onl# ells that ontain hloro5lasts an arr#out 5hotos#nthesis. The ells in a 5lant root ,ore6a5le8 annot arr# out 5hotos#nthesis.
. The nuleus an ontrol all ati:ities o, the ell!eause it ontains hroosoes.Chroosoes arr# geneti in,oration thatontrol the ell=s ati:ities.
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• +. Foo" 5asses through the elle!rane !e,ore it enters the ell.
• . >aste aterials 5ass through theell e!rane !e,ore the# lea:e theell.
• . The ell 9all is a strong struturethat gi:es the 5lant ell a regularsha5e . The anial ell "oes not
ha:e a regular sha5e !eause it "oesnot ha:e a ell 9all.
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1. The huan !o"# is a"e u5 o, trillion o, ells.
2. There are a!out 200 t#5es o, ells in the huan !o"#.
3. Eah t#5e o, huan ell is res5onsi!le ,or "oing a s5ei? @o!,or the !o"#.
E6a5les 7
i. Fat ells - store ,at ,or the !o"#
ii. Huan s5er ell - the ale re5ro"uti:e elliii. Huan egg ell - the ,eale re5ro"uti:e ell i:. Re" !loo"
ell - arr# o6#gen to "i;erent 5arts o, the !o"#
:. >hite !loo" ell - 4ill !ateria an" 5rotet the !o"# ,ro"iseases
:i. $one ells -,or !ones that 5rotet an" su55ort the !o"#:iii. Musles ells - ,or usle tissues 9hih ena!le o:eent
6i. E5ithelial ells - @oin together to ,or the s4in that o:ers the!o"# an" lines the inner sur,ae o, the !o"#.
6. Ner:e ells - arr# assages in the ,or o, eletrial signals
i5ulsesB !et9een "i;erent 5arts o, the !o"#.
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Full e6erise o, Cell Organisation in thehuan !o"#
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THAN&S FOR SEE THIS
CHAPTER.
THIS THE 'AST OF THECHAPTER 2.3.
NEDT CHAPTER IS COMIN*SOON AT
1/3/201+..
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START ON FE$ 201+FOR MORE INFORMATION*O TO SCRI$).COM
TO SEARCH MATH FORM 1 CHAPTER 1$% &E'(IN
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