Class 12th biology chapter 2 notes, Summaries of Biology

Best for boards prepration and neet preparation. Easy to capture and learn the points. Detailed description of NCERT biology of class 12th.

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2024/2025

Uploaded on 06/06/2025

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Hun
an
-
vivipasow
-No
metajnor
phosis
in
human
No
lasyo
stae
Suent
in
tuman
Repreluchi
JCramtogees's
male-
Feroale
gamete
gante
famatin
homnes
tnseminaton
ttgntetrtu
Sernan
tanfe
into
ferrale
Gestatia
tembyonc
deyctopmet
-f
Rete
tatis
2
Vasa
eh
ecentia
3
Epislislyg
defoxexts
>fetiscdon
ir
lell
oplan
tebe
>mpella
otatbnegental
6 0xethea
tyingte
cet)
Bmyplartaalon
(cttchemet
to
uterine
cd)
2
seminal
vCHicle
+1
postata
t 2
6ulbeusathral
landa
pf3
pf4
pf5
pf8
pf9
pfa
pfd
pfe
pff

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Hunan -

-Novivipasow metajnor phosis in human

No lasyo stae

Suent in^ tuman^ Repreluchi JCramtogees's male- Feroale gamete

gante famatin homnes

tnseminaton ttgntetrtu

Sernan tanfe

into ferrale

Gestatia tembyonc deyctopmet

-f Rete tatis (^2) Vasa (^) eh (^) ecentia 3 Epislislyg defoxexts

fetiscdon ir lell oplan tebe

>mpella

otatbnegental

6 0xethea

tyingte cet)

Bmyplartaalon (cttchemet to uterine cd)

(^2) seminal (^) vCHicle +1 (^) postata t 2 (^) 6ulbeusathral landa

Tatier

tunin wyindulod )

Gesminal Epiteliem

luiea alsugineg(^ tha^ cvdey^

into 250)

takudal lohude

mounocompetent colls:

(seenet testeteoe -Sefynday Sexua chaxate

bone ma

mag vateut, Rete teste

yuati mamal Qtaeeee tonily nonn

abolonin men tetie

AFs

oveloppnsptn -Blod tele, Baien

Semhal verte acultr

festes ntde

h (^) toh (^) scrotun (^) mein (^) aa (^) jaR

Aecesory gland

Sutnel Gettal'a Vubeg/pu dendu

fallagian tse fouiducta

(ew

seleae

peluie sagin

ttetral ojpeiag

tube cilated mus culas

¯airet

Bstenel (^) Gunitalia/ (^) yubsa/ (^) fudendai

beok ohen seuolal

utibule[wahale 7Eaian

also by nteyting tenon

poit

-Cl'tony

naconm colleet t

Monsns pubu

Skena's,

Giland

enslde vcetrg

OG-Avelie

to seoete mue!

bahan

tpgatedl a

Mammnt

cusig pubenty

Ouaiu

tcbke aluet

lectieaa dct ipple

Jet doon^ milk^ by^ osytocr

Lanpulla lacti^ fernes^ sineel^ term^ pomiy

astrgun pregtng

-derwy

axeola

Picaerar -atvest

pieth ahdomin.

secrele Kosmakn

pnleetin

bota cevelope^ marmoy^ yarl

Tes tosteon pemegeniis

ohibin

Oqenui's -staste ben7ae sie.

Ruyte

oylation

Corpu ter

bndocine tady

shite

(Ovurm)

Ton (an trol

VPanpes's Eop asicaa

Menje - amont

Menaschai int menteation

Mospaut

Auatuan

tton gt

the tao masnun

endometáuo

ndemetium

neyt

cnpu ltoun ptaat

Utavage.: M;htie^ diuisior^ un^ ote Kapid, ke^ t^ Mtosis^ (bd^ talle^ dif)

clla (^) tem (^) caled (^) blautohane (^) not (^) danghtes (^) cel sMall fàom nethes cel

wall

Chxonic

Rlacenta

(Endoi

iaen haky to embnyo

Tplaoblant

tmgplatet

Sone mas cell ditheentite

(make like paeton)

placonta Chsionie ovill (toetw past)

firucde neutinnent

-_gnalo cene

hc, h

also

Ufecen xell^ (^ mothes^ Pat)

It mimc

testis

latess

endastum

mainten

ehdometum placeta

testica l avasier to maintain pragete.sem

hp4 -human phacrkl lactngen (help .en deelop ofmamasy and milk bfoe celi

Relaxin

Blod o motes

ieetata

Young lies yrgleis

ates alk ac

blood

Chrninem chorisaie^ uilli^ (aelouin^ ptatrttt

ArnionArm Amnio tc sac satu bag) it pts Ctoatain emngitie tluid

stock atsobtion

onteins

Epety

injdaatatien)

protet

otps baby^ trom^ oines desicatim

Atantoi fm pnimitive yinag

wtte 6

btadtes

vot te struetun atact

yest astenie

másuyo

Ajotic (Cwitg

Alantoea

-Anion t meso dem in (^) bto lerde

hunen last gmonth Thhee, timy tesee -aftea ImoshiEnbsuy's

the tnd 2d

flacental clwondc valli

-Amno

5

Ylksas

tt adodarm meaoce

Hoalk sac

End de

(bestetinl

o dem

yslcn famad. ky Jinbs eatenal wl! Dueseig smntk ft maemyt,

|Bimester 3 Monty

heac

embyori,to elt

covUe ta ine

heait socod

hat.

de li