Question

what is placenta ? Discribe it's structure ? State its function in case of a pregnant human female

Answer 1

placenta is a special tissue connection between embryo and uterine wall. it acts as an endocrine gland.
ROLE OF PLACENTA:
1)it posses villi that increase the surface area for absorption of nutrients.
2) facilitates passage of nutrition and oxygen to embryo from mother through blood.
3) waste substances produced by embryo are removed through placenya into mother's blood.

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Answer 2

✮✮✮✮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 ✮✮✮✮