1) What is the longest type of cell in the body? a) Muscle cell b) skin cell c) nerve cell d) red blood cell 2) Where would you find your pinna? a) hand b) foot c) ear d) nose 3) how many bones are there in a humanfoot? a) 24 b) 26 c) 28 d) 30 4) Who invented the first battery? a) Alessandro volta b) Michael faraday c) Nikola tesla d) Thomas edison

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