Body Part Cabinet

Foot

1

A pumpkin is a vegetable.

Mwahaha now Frankenstein will be complete! You may move on!

Leg

1

People bob for pumpkin seeds on Halloween.

They bob for apples silly!

Arm

1

The word "Hallow" in relation to this holiday means spooky! (icebreakerideas.com)

No way jose!

Hand

1

Jack-o-lanterns were originally made from pumpkin.

This one seems correct but Jack-o-lanterns where originally made from turnips! Now turnip the Halloween music! yeah that was a dud.

Head

1

Halloween originated in America.

No it originated in Ireland.