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प्रश्न
What is the life support system of a fetus?
उत्तर
The placenta is the life support system of a foetus.
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संबंधित प्रश्न
How many pairs of chromosomes are present in human beings? Out of these how many are sex chromosomes?
List the two types of reproduction. Which one of the two is responsible for bringing in more variations in its progeny and how?
Describe in brief the structure of placenta
State whether human beings reproduce by sexual method or asexual method.
What name is given to the fusion of sperm and ovum?
Describe in brief the role of vas deferens in human male reproductive system.
List and explain in brief three methods of contraception.
Draw a labeled diagram of the human female reproductive system.
Name the Following
Days in the human gestation period.
How does human sperm locomote?
