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Question
Given below is a diagram of two systems together in the human body.
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- Name the systems.
- Name the parts numbered 1-10.
- Describe the functions of the parts 3, 4, 5 & 6.
- What will happen if the part 3 on both sides gets blocked?
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Solution
- The given system is the Urinogenital System of the human female body.
-
- Kidney
- Ureter
- Oviduct or fallopian tube
- Oviducal funnel
- Ovary
- Lining of uterus
- Urinary bladder
- Cervix
- Vagina
- Vulva
- Oviduct: Transport the ovum into the uterus; fertilisation occurs here, and the zygote travels down the uterus via the oviduct.
Oviducal funnel: The released egg is picked up by the fimbriae (cilia) of the oviducal funnel of the oviduct.
Ovary: It produces gg and the female hormones progesterone and oestrogen.
Lining of uterus: It provides a surface for the implantation of a fertilised egg. - If both Fallopian tubes are blocked, the ovary's ovum will not reach the oviduct, preventing fertilization.
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For how much time does menstruation last in human females (or women)?
The diagram shows female reproductive system. Name the parts labelled A to D.
(a) In which part do the sperms enter?
(b) Which part releases the egg?
(c) In which part does fertilisation take place?
(d) In which part does the foetus develop?
Diagram shows the reproductive system of female human beings:
(i) Name the parts numbered 1 to 14.
(ii) Normally, after how many days does an ovary release an egg?
(iii) Where are the sperms released during coitus?
(iv) What is the role of sperms after their ejaculation in vagina?
(v) What is the function of the organ numbered 5?
(vi) What is the gestation period in human?
Choose the correct answer:
Binary fission is a method of __________
Name the organs of the human male reproductive system and state the functions of any two organs.
Answer the following question.
What is contraception? List three advantages of adopting contraceptive measures.
Human eggs are______.
Consider the following:
- The reductive division for the human female gametogenesis starts earlier than that of the male gametogenesis.
- The gap between the first meiotic division and the second meiotic division is much shorter for males compared to females.
- The first polar body is associated with the formation of the primary oocyte.
- Luteinising Hormone (LH) surge leads to disintegration of the endometrium and onset of menstrual bleeding.
Choose the correct answer from the options given below:
