I like taking different courses in Biology because learn more about a subject I thought I knew every aspect of. This week's subject area is fertilization, I began this class thinking that when sperm meets egg it's head only needed to enter the outer layer of the egg and the egg would be fertilized. This week I learned that the sperm must first travel through the cumulus layer, then bind to the zona pellucida and then the egg membrane. I also learned that the zona pellucida also has layers. First the SED1 from the sperm must make contact with ZP2 and ZP3 in the zona pellucida.
I perviously thought this was a simple process, however I now know how complex creating life can be. This has made me realize how much God truly knows and cares for all His creations. In the bible when He is speaking to Jeremiah the prophet He says in Jeremiah 1:5 "Before formed thee in the belly knew thee". This means that God knew which sperm would make it to the egg. Which each science course I am amazed at how intimate and detailed God is.
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