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प्रश्न
Write one sentence using the following term pertaining to reproduction in humans.
Placenta
उत्तर
The placenta is the blood vessel-containing cord that connects the embryo to the mother's uterine wall.
संबंधित प्रश्न
Choose the odd one in each of the following :
Relaxin; cervix dilated; amniotic sac ruptures; child birth; follicle.
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?
Name and describe very briefly, the stages in the development of human embryo.
Describe briefly the ways how a mammalian embryo is protected
Give Technical Term:
The period of intrauterine development of the embryo.
Complete the following sentences with appropriate word:
The period of complete development of the fetus until birth is termed ______.
Match the respiratory surfaces to the organisms in which they are found.
| Organ/ cells | Hormones | ||
| (i) | Corpus luteum | (a) | HCG |
| (ii) | Leydig's cells | (b) | Estrogen |
| (iii) | Placenta | (c) | Progesterone |
| (iv) | Graafian follicle | (d) | Testosterone |
Placenta produces certain hormones.
Given below is the name of certain stage/substance related to reproduction and found in human body. Answer the questions related to it.
Morula.
- What is this stage?
- Name the stage which comes next to it?
Write the specific location of the following:
Placenta
