Home
Class 10
BIOLOGY
What is placenta? Give its functions?...

What is placenta? Give its functions?

Text Solution

Verified by Experts

Placenta : A special tissue that helps human embryo in obtaining nutrition from mother.s blood.
Structure : This is a disc which is embedded in the uterine wall which contains villi on the embryo side of the tissue, and on the mother.s side are blood spaces which surround the villi.
Function : This provides a large surface area for glucose and oxygen to pass from the mother to the embryo, and the developing embryo will also generate waste substances which can be removed by transferring them into the mother.s blood through the placenta.
Promotional Banner

Topper's Solved these Questions

  • HOW DO ORGANISMS REPRODUCE?

    OSWAAL PUBLICATION|Exercise NCERT CORNER (INTEXT QUESTIONS)|12 Videos

  • HOW DO ORGANISMS REPRODUCE?

    OSWAAL PUBLICATION|Exercise NCERT CORNER (TEXTBOOK EXERCISES)|11 Videos

  • HOW DO ORGANISMS REPRODUCE?

    OSWAAL PUBLICATION|Exercise TOPIC - 3 (REPRODUCTION IN HUMAN BEINGS)(SHORT ANSWER TYPE QUESTIONS - II)|17 Videos

  • HEREDITY AND EVOLUTION

    OSWAAL PUBLICATION|Exercise NCERT CORNER TEXTBOOK EXERCISES|11 Videos

  • LIFE PROCESSES

    OSWAAL PUBLICATION|Exercise NCERT CORNER ( TEXTBOOK EXERCISES )|13 Videos

Similar Questions

Explore conceptually related problems

What are stomata? Give two functions of stomata.

What is mischmetall? Give its one use.

What is cellulose and its functions.

What is placenta? Write any two major functions of placenta. Ans. A disc shaped organ or special tissue in the uterus of pregnant mammal, nourishing and maintaining the foetus through the umbilical cord. Functions of Placenta :

What is placenta? Mention any one hormone secreted by placenta.

What is root cap ? What is its function ?

What is urotropine ? Give its use.

What is an aqua regia ? Give its one use.

Figure shows schematic plan of blood circulation in humans with labels A to D, Identify the label and give its function // s.