1. A dermatologist is a doctor who specializes in diseases related to the _______.   brain   skin   heart   bones   Hint Half-n-half Clue   2. A billion commonly refers to _______.   10000 million   1000 million   100 million   10 million   Half-n-half Clue   3. The fleshy back part of the leg below the knee is called the _______.   palm   calf   shin   cub   Half-n-half Clue   4. Where is the Van Gogh Museum located?   Florence   Madrid   Paris   Amsterdam   Half-n-half Clue   5. What is the chemical symbol for Iron?   Fe   In   I   Ir   Half-n-half Clue   6. The longest bone in the human body is in the _______.   upper leg (thigh)   upper arm   lower leg   lower arm   Half-n-half Clue   7. Bacon is smoked or salted meat from a _______.   chicken   pig   cow   lamb   Half-n-half Clue