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प्रश्न
The diagram given below shows an embryo in the uterus of mammal. Label the parts indicated.
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उत्तर
A – Umbilical cord
B-Cervix
C-Blood of mother flows into placenta
D-Blood of fetus flows into placenta E-Amnion
F-Amniotic fluid
G-Opening of the cervix
APPEARS IN
संबंधित प्रश्न
Match the items in column I with those in column II and write down the matching pairs (some may not match)
| Column I | Column II | ||
| a | Acrosome | 1 | An embryo which looks like human baby |
| b | Gestation | 2 | Luteinizing hormone |
| c | Menopause | 3 | ovum producing cells |
| d | Foetus | 4 | complete stoppage of menstrual cycle |
| e | Oogenesis | 5 | spermatozoa |
| f | Ovulation | 6 | Complete stoppage of menstrual cycle. |
| 7 | Time taken by a fertilized egg till the delivery of baby |
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?
Describe the functions of Amnion
Differentiate
Amnion and Chorion.
Differentiate
Fetus and Embryo.
Study the diagram given below and then answer the questions that follow:
(i) Name the parts labeled 1 and 2. State the function of each part.
(ii) State any one function of the amniotic fluid.
(iii) What is the role of the umbilical cord in the development of the fetus?
(iv) Name the part in the diagram which is endocrine in nature.
Which of the following hormones is produced by ovary?
In human beings, the placenta is formed by ______.
Mention any two functions of the human foetal placenta.
Placenta produces certain hormones.
