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प्रश्न
Describe briefly the ways how a mammalian embryo is protected
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उत्तर
The mammalian embryo is protected by two sacs:
(a) The chorion
(b) The amnion, which contains the amniotic fluid to protect the embryo from shocks. The embryo-is also protected by the thick, muscular wall of the uterus.
संबंधित प्रश्न
State whether the following statements are TRUE (T) or FALSE (F):
Rewrite of the wrong statements by correcting only one word either at the beginning or at the end of the sentences.
Gestation period in humans is about 380 days.
Given below are the names of certain stages/substances related to reproduction and found in human body. Answer the questions related to them.
Gestation
• What is its meaning?
• How long does it normally last?
Differentiate between:
Amnion and allantois
Name and describe very briefly, the stages in the development of human embryo.
Describe briefly the ways how a mammalian embryo is nourished
Complete the following sentences with appropriate word:
The expulsion of the fetus from the body to the mother in a human female is called __________.
Write the functional activity of the following structure:
Uterus
Write the functional activity of the following structure:
Amnion
Mention any two functions of the human foetal placenta.
At what stage of development does implantation occur post-fertilisation?
