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प्रश्न
Distinguish between the following pair:
Placenta and umbilical cord
उत्तर
Placenta: The Placenta is the intimate connection established between the foetal membranes and uterine wall, permitting the diffusion of nourishment from the mother's blood to that of the growing foetus and the disposal of wastes from the blood of the foetus to that of the mother.
Umbilical cord: A cord containing blood vessels connects the placenta with the foetus; this is called the umbilical cord.
संबंधित प्रश्न
The exact location of the Amnion
Choose the odd one in each of the following :
Relaxin; cervix dilated; amniotic sac ruptures; child birth; follicle.
Differentiate between:
Amnion and allantois
Describe the functions of placenta
Differentiate
Amnion and Chorion.
Differentiate
Uterus and Urethra.
Complete the following sentences with appropriate word:
The embryo inside the uterus is protected from jerks or mechanical shocks by ________
Which of the following reproductive structures is responsible for secretion of hCG?
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 |
Amniotic fluid serves to provide oxygen to the foetus.
