The Skeletal System: It's ALIVE! - CrashCourse Biology #30
Hank introduces us to the framework of our bodies, our skeleton, which apart from being the support and protection for all our fleshy parts, is involved in many other vital processes that help...
========== This, my friends,
is a walrus baculum it's basically a penis bone
found in most placental mammals. Interestingly, not in humans. And this is a polar bear
skull, which as you can see is more streamlined for swimming in the water than a grizzly bear skull. And over here we have my
giant friend, the rhino head, which is good for being giant,
for fighting off predators and fighting for- I don't know, why do
rhinos have big heads? And this is the skull
of a pronghorn antelope. It has these horns that come
off, that are covered in these keratin sheaths that
fall off once a year. These are all bones. Parts of skeletons. And they're all pretty
freaking awesome. And I am surrounded by them here at the Philip L. Wright
Zoological Museum, at the ...