How do Organisms Reproduce? — Science STD 10 — Question
CBSE BoardEnglish MediumSTD 10ScienceHow do Organisms Reproduce?3 Marks
Question
What is placenta? State its function in human female.
✓
Answer
Placenta is a special umbilical cord develops in the fourth week which establishes an intimate connection between the foetal membrane and he uterine wall. Function of Placenta:
The exchange of materials between the mother’s blood and the blood of foetus takes place through placenta. It serves as a nutritive, respiratory and excretory organ of the foetus.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.