THE BODY ORGANIZATION.pptx

8/19/2019 THE BODY ORGANIZATION.pptx

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Plant tissues

T

h e

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i # a t

i n


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Plant tissues

• Cells that do not

diferentiate• Cells retain the

ability to divide

•

Types: – Apical – primary

growth at root andshoot tips

–

Lateral – secondarygrowth in trees andshrubs

– Intercalary-secondarygrowth in monocotstems

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t i s s u

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Plant tissues

A

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Plant tissues

G ! u n

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e


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Plant tissues

• Single layer o cells called the

epidermis in herbaceous plants – !uard cells

– Trichomes

– "oot hairs

• #unctions

– Absorption

– Secretion o cuticle – $rotection

– Control o gas e%change D e ! % a l

t i s s u

e


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Plant tissues

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Plant tissues

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• &ascular plants need to transport substances between theroots' stems and leaves(ylem – transports water and nutrients rom soil )i*e

minerals+$hloem – transports sugar


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Plant B(* St!u&tu!es

• &egetative

system – "oots

– Stems

– Leaves• "eproductive

system –

#lower – #ruit

– Seed


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O!"ans an( !"ans s*ste% in ani%al

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O!"ans an( !"ans s*ste% in ani%al

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Ani%al St!u&tu!e

T * ' e

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Ani%al St!u&tu!e

T * ' e

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Ani%al St!u&tu!e• Tightly-,oined closely-

paced cells*

• .ne side o e%posed toair or internal /uid'other side attached to abasement membrane

•

Covers outside o thebody and lines internalorgans and cavities

• 0arrier againstmechanical in,ury'

invasive microorganismsand /uid loss

• $rovides surace orabsorption' e%cretionand transport o

molecules

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Ani%al St!u&tu!e

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Ani%al St!u&tu!e

C

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Ani%al St!u&tu!e

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Ani%al St!u&tu!e

N e ! ,

u s

t i s s u e

• 1uman nervous system is the most comple%

system in the body ormed by a networ omany billion o nerve cell called neuron andall assisted by many more supporting glialcell

• 2ervous tissue consist o two types o cells: – Neu!ns:

• Important in neural communication* $rovide most othe uni3ue unctions o the nervous system

• 4%amples: sensing' thining' remembering' controlling

muscle activity and regulating glandular secretions*

- Neu!"lia:- Support' nourish and protect the neurons and maintain

homeostasis in the interstitial /uid that bathesneurons )connective tissues+


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5ui6 7

• Senaraian ,enis-,enis tisu dalamstrutur haiwan )8 marah+

• Luisan dan terangan ungsi bagisetiap ,enis tisu otot bagi haiwan )9marah+

THE BODY ORGANIZATION.pptx

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