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प्रश्न
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उत्तर
Amnion
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संबंधित प्रश्न
Explain the process of development in human beings.
Suggest three contraceptive methods to control the size of human population, which is essential for the health and prosperity of a country. State the basic principle involved in each.
Name the cells that secrete Testosterone
the Biological/technical term for The canal through which the testes descend into the scrotum just before the birth of a male baby
Give scientific reasons: Mature erythrocytes in humans lack nucleus and mitochondria
Give biological explanations for The placenta is an important structure for the development of a foetus
Name the organs which produce ova (or egg cells) in human females.
Which one of the following best describes the function of the umbilical cord? It :
(a) feeds the embryo with digested substances.
(b) conveys nutrients and wastes to and from the embryo respectively
(c) removes waste matter from the embryo to the mother's blood.
(d) supplies oxygenated blood from the mother to the embryo.
Define the following:
Parthenogenesis
Explain the term Parturition or birth.
