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list any four methods of contraception used by humans. how does their use have a direct effect on the health and prosperity of the family?
A. Corona radiata, zona pellucida, vitelline membrane
B. Zona pellucida, corona radiata, vitelline membrane
C. Vitelline membrane, zona pellucida, corona radiata
D. Zona pellucida, vitelline membrane, corona radiate pls explain with diagram as nothing is mentioned nywhere about vitelline membrane.
why menstrual blood doesn't clot?
Explain the process of oogenesis.
(please explain because i want the proper answer of this ques.)
Draw a neat labelled sketch of Graafian follicle.
how does menstrual flow occurs after tubectomy?... i mean the passage blocked then how does the degnerated egg comes out from...????
spermatogenesis? Briefly describe the process of spermatogenesis.
what is embryo proper?
what is sporogenous tissue?
1.why is oogenesis considered as a discontinous and wasteful process?
2.is ejaculation and insemination the same ?
3.what is monospermy?
4.how implantation takes place ?
give a labeled diagram of spermatogenesis as im finding it difficult to understand .
1) Degenerated corpus luteum is called _______.
2) _________________ is an example of viviparous animal.
3) The function of the sertoli cell is to provide nutrition to the ____________ cells.
4) The first menstruation begins at puberty which is called _________.
Draw a labeled diagram
of female reproductive system.
Secondary oocyte retains bulk of the nutrient rich cytoplasm of the primary oocyte. Can you think of any advantage for this? rn Does the first polar body born out of first meiotic division divide further or degenerate?rn
the function of prostate gland is ......?
why is menstrual cycle absent during pregnancy?
WHAT IS THE SIGNIFICANCE OF SPERMATOGENESIS & OOGENESIS?
What is mean by Spermlysin ??????????
how mammary glands are integrated structurally and functionally to support the process of ovulation, fertilization, pregnancy, birth and child care?????
plz explain, these lines are written in NCERT textbook.
Why does failure of testes to descend into the scrotum produce sterility?
explain male reproductive system
what is major difference between spermatogenesis & oogenesis?
WHAT IS PREGNANCY HORMONE? WHY IT IS CALLED SO? NAME TWO SOURCES OF THIS HORMONE IN HUMAN FEMALE?
difference between ducts and glands????
what is the function of antrum in the grafian follicle?
what is foetal ejection reflex?
from where do signals of parturition originate and what does maternal pituitary release for stimulating uterine contractions for child birth?
distingiush b/w morula gastrula and blastula
Draw a labeled diagram
of a Graafian Follicle?
Can anal sexual intercouse lead to fertilisation?If not, then why it is done?
WHAT IS THE FUNCTION OF INFUNDIBULUM
DIFFERENCE BETWEEN SPERMIOGENESIS AND SPERMIATION
difference between zoospore and zygote ?
what is oogenesis?
What are the three major phases of menstrual cycle in primates?Mention the key event in each phase.
what is mestrual cycle?brief explain.
why is placenta called a temporary endocrine gland?
List the changes the primary oocyte underqoes in the tertiary follicular stage in the human ovary.
when and how does placenta develop in human female?
Draw a labeled diagram
which hormone is called as the pregnancy hormone? ...why ?
why does not all copulations lead to pregnancy???
what is corona radiata?what is the difference between corona radiata and zona pellucida?
Absence of hymen is not a reliable indicator of virginity. Justify.
explain the steps in the formation of an ovum from an oogonium in humans
spermatogenesis in human male is a hormone regulated process. justify
after tubectomy does menstrual cycle continue? there is a knot tied in the tube so how does the cycle takes place? pls give a proper answer
What is the difference between umbilical cord and placenta??
if asked to draw a labbeled diagram of male reproductive system in exam , which one we hav to write ...
there r 2 diagrams in textbook ...
pls answer asap
URGENT!! Define seminal vessicles ,,,prostate gland and cowper's gland.????
What is the difference between blastos and gamete?
Q--. Identify the wrong statement from the following:a. High levels of estrogen triggers the ovulatory surge.b. Orgonial cells start to proliferate and give rise to functional ova inregular cycles from puberty onwards.c. Sperms released from seminiferous tubules are poorly motile /non-motile.d. Progesterone level is high during the post ovulatory phase ofmenstrual cycle.also explain...........
does menstruation occur even after tubectomy in females?? and does ovulation too occurs??
Which one of the following statements is false in respect of viability of mammalian sperm ?
Sperm is viable for only up to 24 hours.
Survival of sperm depends on the Ph of the medium and is more active in alkaline medium.
Viability of sperm is determined by its motility.
Sperms must be concentrated in a thick suspension
What is the difference between blastulation and gastrulation?
what is paturation??
What is ejaculation?
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