What is placenta?

What is pleura? What is its function?

A connection between foetal membrane and uterine wall is known as placenta. a. Mention the functions of placenta. b. What is the fate of placenta after parturition? c. Sometimes the expulsion of placenta is followed by bleeding. Give reason.

What is vaccine ? What are its types ?

What is heparin? What is its use?

What is entropy? What are the units of entropy?

Which is not the function of placenta?