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Question
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 | ………………… |
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Solution
| Structure | Function | ||
| 1 | Corpus luteum | 1 | secretes progesterone & other hormones to prepare the uterine wall for the receival of the embryo. |
| 2 | Testes | 2 | produces male gametes in mass |
| 3 | Placental disc | 3 | supplies oxygen and nutrients to embryo |
| 4 | Oxytocin | 4 | increases the force in uterine contractions during child birth |
| 5 | Umbilical cord | 5 | connects placenta with foetus |
| 6 | Fallopian tube | 6 | The site of fertilization for the sperm and ovum |
RELATED QUESTIONS
Given below is the name of certain stage/substance related to reproduction and found in human body. Answer the questions related to it.
Implantation.
- The development stage that undergoes this process.
- The approximate time after fertilisation, when it occurs.
Differentiate between:
Impotency and sterility
How is Placenta formed? What are its functions?
What changes occur at the time of birth?
Describe briefly the ways how a mammalian embryo is nourished
Describe briefly the ways how a mammalian embryo is respires
The diagram given below is that of a developing human foetus in the womb. Study the same and then answer the questions that follow:
- Name the parts '1' to '5' indicated by guidelines.
- What term is given to the period of development of the foetus in the womb?
- How many days does the foetus take to be fully developed?
- Mention two functions of the parts labelled ‘2’ other than its endocrine function.
- Name the hormone (anyone) produced by the part labelled ‘2’.
- What is the function of the part marked ‘3’?
The diagram given below shows an embryo in the uterus of mammal. Label the parts indicated.
Write one sentence using the following term pertaining to reproduction in humans.
Placenta
Mother's blood flows into the foetus through placenta.
