excretion printing

7/24/2019 Excretion Printing

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Human Excretion1. Excretion : process of

removing waste products ,produced during chemicalprocesses in the cells.

If the wastes are notremoved, toxic substancbuild up and can damageorgans in the body.


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2.Human Excretoryrgansa!"#inb!$ungs

c!%idney & main


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"#in


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Organ Process Wasteproducts

%idney 'rinating (ater, minesalts, urea

"#in sweating (ater, minesalts, urea

$ungs Exhalation )arbon

dioxide, wate

*.Excretory rgansand Excretory

products


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'rea is a waste producformed in liver from

excess amino acids inthe body.

'rea is remove as aurine.'rine also contain

mineral


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+. Importance of Excretion

a!o remove wastes products, li#eurea. -ccumulation of this producan damage the internal organs.

b!)arbon dioxide from respiration

must remove uic#ly because thehigh level of this gas can increasethe acidity of blood.


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c! Excretion of excesswater and mineral salts c

maintain the chemicalcomposition, temperaturewater and pH balance of

the body system


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%epentingan "istem /er#umuhana!'ntu# mengeluar#an bahan buangan

beracun seperti urea. 'rea a#anmerosa##an organ dalaman 0i#adibiar#an ber#umpul di dalam badan

b!%arbon dio#sida mesti di#eluar#ansegera. -ras #arbon dio#sida yangtinggi a#an mening#at#an #easidan

darahc!/er#umuhan air dan garam mineral

berlebihan a#an menge#al#an#eseimbangan #omposisi bahan #imia

air dan pH di dalam badan.


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. he urinary system inHuman

%idney are found at thebac# of abdominal cavit

0ust below the

diaphragm.


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P t F ti


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Parts Function

%idney Excretory organ that remove

wastes li#e urea , water, andmineral salts from the blood inthe urine

'reter ube that carries urine from the#idney to the bladder

ladder emporary storage for the urinbefore removal

'rethra ube that carries urine from the

bladder for removal


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3./athway of urine4ow

.

"tarts from the #idney, tothe ureter, then to thebladder and lastly to theurethra

%idney ureter bladder

urethra


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5. "tructure of the #idney ean6shaped and roughly

the si7e of a 8st. /rotected by lower ribcage.

uter transparent coat iscalled capsule.

2 parts :6 dar#er protective part &

cortex


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)ortex& ma#es upabout one third of the

#idneyhe inner boundary of

the medulla formsseveral pyramids whicopen into a sac6li#e

cavit called elvis


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9.unctions of the #idney o 8lter blood and

remove urea, excessmineral salts and waterto form urine

If the body has too mucwater, reabsorption willbe less. he urine

produced will be diluted


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;. Importance of maintaininhealthy #idneys

ur food may contain toxisubstances such asmercury, lead, arsenic andinsecticides. hese

substances can damagethe #idney.

ood that is too salty and

sweet is also bad for the


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(e should drin# plenty ofwater and consume less saand sugar

- high inta#e of salt cancause high blood pressure.

High concentration of salt

encourage the formation of#idney stones.6666#idneyfailure.

(e should avoid dru s


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%idneys may also bedamaged by infections.


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1


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11.>ialysisis a techniue ofseparating particles ofdi?erent si7es in a liuidmixture.

. - patient@s blood needs topass through the dialysis

machine many times toma#e sure all wastes areremoved.

. /atient must be connected


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In dialysis, blood is8ltered through an

arti8cial membrane inthe dialysis machine.

i l i d


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>ialysis does not curethe damaged #idney.

It is only an arti8cialsubstitute for theoriginal #idney


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Excretion in /lants (aste products :

a! waterb! carbon dioxidec! oxygen

d! nitrogenous waste Excrete mainly thro stomat

/lants remove their excretor


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/lants remove their excretorproducts thro * ways :

i! "imple di?usion

ii! ormation of crystaliii! "hedding their leaves, bar

and 4ower


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Method Excretoryproducts

"imple di?usion xygen, carbon

dioxide, waterormation of crystal Bineral salts 666forms

- )alcium carbonatecalcium oxalatecrystal.

-"ilicon salts deposiin the leaves of grato strengthen the leblade

"hedding =leaves, bar#

and 4owers!

Citrogenous waste

remove as a complex

E t d t d th


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Excretory products and theuses

Excretory

products

Source Use

$atex Dubber tree o ma#evehicle tyre

Desin )ertain treestems li#ecasuarina tree

o ma#evarnish andgum

um )ertain treestems li#eacacia tree

o ma#e coumedicine

Excretory products and the


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Excretory products and theusesExcretory

productsSource Use

annin ar# of plantsli#e tea,co?ee andmangrovetree

o ma#e in#

Fuinine ar# ofcinchona tree

o ma#emedicine totreat malar

il lowers orleaves

/erfume anointment fo

Excretory products and their


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Excretory products and theirdangerousExcretory

productsSource Reason

for

dangerpium lowers of

poppy plant>rugs

Borphine Ba#e frompium

Heroin Ba#e frommorphine

Excretory products and that are


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Excretory products and that aredangerousExcretory

productsSource Reason

for

danger)ocaine $eaves from

coca plant

)annabis $eaves and

dried 4owersof thecannabissativa plant

Cicotine obacco leaves $ungs cance

)a?eine )o?ee beans -ddiction


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