Question

Explain the process of fertilization and implantation in huma

Answer 1

Hii friend !!

Here is your answer to your question..

FERTILISATION
During sexual intercourse , the semen gets deposited in the female's vagina . The sperms are released in the vagina and they actively swim upwards with the help of their tail. Out of the millions of sperms released into the vagina , only a few of them are able to reach up to the upper parts of oviducts and of the acidic surrounding in the vagina . If there happens to be an egg in the oviduct , it gets fertilised by just one single sperm . The nucleus of the sperm fuses with the nucleus of the egg . This is known as fertilisation.

IMPLANTATION
The fertilised egg soon starts developing and by the time it reaches the uterus , a small ball of numerous cells is already formed .This is a kind of embryo which forms a pit in the wall of the uterus and gets fixed in it. This natural way of fixing of the embryo in the wall of the uterus is called implantation. This produces the state of pregnancy.

Hope this information might help you..
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#Priya ;)

Answer 2

⍟⍟⍟⍟⍟⍟ƒєrτiℓiʑατiσท is τнє ρrσcєss σƒ ƒυsiσท of мαℓє gαмєτє (gєrм cєℓℓ) ωiτн ƒємαℓє gαмєτє τσ ƒσrм α siทgℓє cєℓℓє∂ ʑygστє

it occurs in multicellular organisms performing sexual reproduction.

***in plants the end result of fertilisation is the see whereas in animals it is a new individual⍟⍟⍟⍟⍟

>>>>>>>>IN PLANTS..

---------in plants when a Pollen Grain falls on Stigma of the carpel it bursts, open and grows a pollen tube downwards through the style towards the female gamete in ovary .

••••••••••••Then it enters into the ovule in the ovary

---------------In OVARY; the male gamete of pollen tube combines with the nucleus of female gamete present in the ovule to form a fertilized egg (called zygote) and thus as we say that fertilization has taken place ..

°°°°°°°°°°thus the fusion of male and female gamete to form a zygote during sexual reproduction is called fertilization ..

****it is clear that the process of fertilization produces zygote which is actually a "fertilized ovum" of "fertilized egg".

>>>>>>>IN ANIMALS..

•••••••In animals the male gamete (male germ cell) call sperm fuses with the female gamete (female germ cell) called ova and forms a single cell called zygote

°°°°°°The zygote grows and develops into embryo and embryo later develops into foetus and then it forms a new baby

✮✮✮✮τнє ємвє∂∂iทg σƒ ємвryσ iท α τнicк ℓiทiทg σƒ υτєrυs is cαℓℓє∂ iмρℓαทτατiσท.

αƒτєr iмρℓαทτατiσท α ∂isc ℓiкє sρєciαℓ τissυє ∂єvєℓσρs вєτωєєท τнє υτєrυs ωαℓℓ αท∂ ємвryσ ωнicн is cαℓℓє∂ ρℓαcєทτα .

iτ is τнrσυgн τнє ρℓαcєทτα τнατ αℓℓ τнє rєqυirємєทτs σƒ τнє ∂єvєℓσρiทg ƒσєτυs ℓiкє ทυτriτiσท, rєsρirατiσท ,єxcrєτiσท єτc.. αrє мєτ ƒrσм мστнєr's вσ∂y.

iท στнєr ωσr∂s єxcнαทgє σƒ ทυτriєทτs, σxygєท αท∂ ωαsτє ρrσ∂υcτs вєτωєєท ємвryσ αท∂ мστнєr ταкє ρℓαcє τнrσυgн ρℓαcєทτα ✮✮✮✮