Advertisements
Advertisements
Question
Given below is the name of certain stage/substance related to reproduction and found in human body. Answer the questions related to it.
Foetus.
- Where is it contained?
- How does it differ from embryo?
Advertisements
Solution
- The foetus is contained in the uterus.
- Embryo: a growing egg after fertilisation until the main parts of the body and the internal organs have started to take shape.
Foetus: When embryo starts having a look of a baby (from 7 weeks of gestation and onwards).
RELATED QUESTIONS
Give appropriate biological or technical terms for the following :
The fluid which surrounds the foetus
Name the following:
The fluid surrounding the developing embryo
Differentiate between:
Follicle and corpus luteum
What changes occur at the time of birth?
Describe briefly the ways how a mammalian embryo is protected
Give Reasons
The full-grown human embryo respires but does not breathe.
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’?
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.
Write one sentence using the following term pertaining to reproduction in humans.
Placenta
Heart and blood vessels have been formed by the end of five weeks of pregnancy.
