stickyz:

What about booklet B first Qn?


About the circulatory system of a fish and human what is the difference? Anyone remember?
Thanks a lot!

i wrote: In the fish circulatary system, the blood flows only in one direction but the human system flows in 2 directions.

something like that :B

Hi hi everyone! I just joined Kiasuparents! Well, I don really know how to do things here…so if you got any tips please comment! Tyty!