John went to Halloween Horror Nights at Universal Studios. A…
John went to Halloween Horror Nights at Universal Studios. As he walked around a corner, a performer in a costume jumped out at him. John screamed and immediately noticed the hairs on the back of his neck stand up. This was due to the activity of _____________.
Read DetailsEarly in life the joints between the bones of the skull allo…
Early in life the joints between the bones of the skull allow a mobility so a baby can pass through the birth canal. However, shortly after they toughen up and prevent movement throughout life. These joints that prevent movement from occuring are __________ joints.
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