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प्रश्न
Describe in brief what happens to the zygote after it gets implanted.
उत्तर
The zygote formed after fertilisation in the fallopian tube is implanted in the uterus. It divides repeatedly to form a mass of cells known as embryo. This embryo gets attached to the inner layer of the uterine cavity, i.e., endometrium. It thickens every month and is supplied with blood to nourish the embryo. Soon it gets covered by rapidly dividing uterine cells. This leads to pregnancy.
Within a span of some months, the embryo starts developing limbs and begins to resemble a miniature human being. When all body parts of the embryo can be recognised, it becomes a foetus. When this foetus is fully developed, the mother gives birth to the baby.
संबंधित प्रश्न
Give scientific reasons: When an ovum gets fertilized, menstrual cycle stops temporarily in a woman.
Where does a fertilised ovum develop into a baby in the human body?
Which structure in human female is equivalent to the vas deferens in the male?and in what respect the structures are equivalent?
In male and female reproductive system of human, ______ gland is same.
Fill in the blank.
Pollen grains are formed by ______ division in locules of anthers.
Define the following:
Asexual reproduction
The membranous cover of the ovum at ovulation is ______.
How does human sperm locomote?
Arrange and rewrite the terms in the group in the correct order to be in a logical sequence beginning with the term that is underlined:
Testis, Urethra, Sperm duct, epididymis.
