Unit 5 · Animal Form and Function
Fertilisation, cleavage and implantation, the extra-embryonic membranes and placenta, the three trimesters, immune tolerance, the stages of childbirth, and lactation and breast milk.
Deshapriya Senevirathne. B.Sc. (Hons) Biology Special, University of Peradeniya — graduated with a class pass. All the content and lessons in A/L Biology on Paadama are reviewed by Deshapriya Senevirathne, and the lessons are taught by him.