ABSTRACT
The simplest way to tackle this subject is to draw this schematic diagram and use it in your subsequent discussion. This diagram looks busy at first, but don’t be put off, it’s very simple to draw after a few goes. Schematic of fetal circulation https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9781315384207/e44fc968-d9a2-42bd-a238-aaa8f50c7f02/content/fig39_1_OC.tif"/>
