The Romance of Meiosis

Posted by on Aug 31, 2015 | 0 comments

Another entry in the Woven Together series talking about the fascinating development of a little person. This series deviates from the main content of the blog – how things go wrong – to tell how things go right. I hope you enjoy!

Meiosis. This word probably conjures up memories of high school biology class where you had to memorize a lot of meaningless terms, but today I want to show you how it is a romantic word.  Yes, you read that right.

A couple comes together pretty intimately in the body of their child. She has Mom’s nose and Dad’s eyes, Mom’s chin and Dad’s smile. But meiosis allows the couple to come even closer in the cells of their grandchildren. Let’s dive in!

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Fetal Circulation – The Secret’s in the Lungs

Posted by on Jun 25, 2014 | 0 comments

I’m starting a new series about babies called Woven Together because the development of a little person is fascinating. For the most part, this series will deviate from the main content of the blog – how things go wrong – to tell how things go right. I hope you enjoy!

Babies in the womb have to make some adjustments to account for the fact that they’re in the womb: there’s no air to breathe and no food to eat. Today, we’re going to learn how their adjusted circulatory system works.

First off, mother and baby don’t share blood. They have two completely separate circulatory systems.1 Baby’s heart starts beating about 22 days after conception so that he can pump his blood to deliver nutrients to all the parts of his rapidly-growing body. The heart is baby’s first organ to

  1. That’s how mother and baby can have two separate blood types with relatively few problems. []
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