Placenta has an outer layer which is selectively permeable and hormone secreting which is known as
Placenta has an outer layer which is selectively permeable and hormone secreting which is known as
- A
Trophoblast
- B
Chorion
- C
Amnion
- D
Mesoderm
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The gestation period of elephants is about
The gestation period of elephants is about
Location - function : Spermatid and Hyleuronidase
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$I. $ Sperm cells immediately when they are released from the body and are placed in a petri plate remain alive for much longer duration.
$II.$ Semen contains chemicals that causes females smooth muscles to contract
$I. $ Sperm cells immediately when they are released from the body and are placed in a petri plate remain alive for much longer duration.
$II.$ Semen contains chemicals that causes females smooth muscles to contract
Fertilisation in human beings occurs in
Fertilisation in human beings occurs in
The phenomenon of fertilization was first perceived by
The phenomenon of fertilization was first perceived by