Un-Answered Questions { Biological Sciences }

Which hormones are produced by placenta? What is their significance?

1


What are the functions of placenta?

1


Explain notochord?

1


Explain gastrulation? What stage follows gastrulation?

1


What are mitochondria? Why are they called as "power house" of a cell?

527


What does the diaphragm do?

563


How many types of twins can be there?

568


What are the bones of face called as?

519


Why do humans have two intestines - small and big?

531


Which cells in human body do not have any blood supply?

563


How many days does the fertilized ovum in human beings takes before reaching the uterus?

547


Why are 'mitochondria' called as 'power house' of a cell?

538


Which muscle in human body is attached only on one side?

557


What are mitochondria?

570


How many bones does a newly born human infact have?

517