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Question
Write the functional activity of the following structure:
Placenta
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Solution
Its main function is the exchange of materials between mother and the fetus (such as nutrients, respiratory gases, and waste products).
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RELATED QUESTIONS
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 |
Complete the following table by writing the name of the structure or the function of the given structure:
| Structure | Function | ||
| 1 | Corpus luteum | 1 | …………… |
| 2 | ……………. | 2 | Produces male gametes in mass |
| 3 | Placental disc | 3 | …………………….. |
| 4 | . ……………. | 4 | Increases the force in uterine contractions during child birth |
| 5 | Umbilical cord | 5 | …………………. |
| 6 | Fallopian tube | 6 | ………………… |
The circulatory system of the fetus and that of the mother are never connected directly. What are the advantages?
The diagram given below shows an embryo in the uterus of mammal. Label the parts indicated.
Name the Following
A hollow pear-shaped muscular organ that holds, nourishes and protects the fetus.
Name the Following
How the embryo inside the uterus is protected from jerks or mechanical shocks.
Name the Following
The expulsion of the fetus from the body of the mother.
Does the foetus inside the mother's uterus breathe?
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
