6d
Smithsonian Magazine on MSNMysterious Skeleton of Child With Human and Neanderthal Traits Has Finally Been Dated by ArchaeologistsIn 1998, archaeologists discovered the skeletal remains of a child in Portugal’s Lapedo Valley. When the team took a closer ...
but skeletal muscles can only exert force by pulling, they cannot push, so moving a joint back and forth requires an antagonistic pair, which is just a fancy way of saying two muscles that pull in ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results