Hank discusses the process by which organisms grow and develop, maintaining that, in the end, we're all just tubes.

Table of Contents
1) Zygote 2:38
2) Morula 2:53
3) Blastula 3:25
4) Radial Symmetry 4:11
5) Bilateral Symmetry 4:26
6) Gastrulation 4:52
7) Blastopore 5:02
8) Gastrula 5:17
9) Protostomes & Deuterostomes 5:33
10) Germ Layers 6:22
a) Diploblastic 6:32
b) Triploblastic 6:44
11) Biolography 7:27

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