The Skeletal System: It's ALIVE! - CrashCourse Biology #30
117 بار بازدید -
6 سال پیش
-
Hank introduces us to the
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 our bodies to function properly.
6 سال پیش
در تاریخ 1397/12/14 منتشر شده
است.
117
بـار بازدید شده