Question 1: Which organ connects the mouth to the stomach?
C) Esophagus
Question 2: Which body part contains the smallest bones?
A) Ear
Question 3: What is the function of red blood cells?
B) Carry oxygen
Question 4: Where are rods and cones found in the body?
A) Eyes
Question 5: What helps joints move smoothly?
B) Synovial fluid
Question 6: Which hormone controls the sleep cycle?
C) Melatonin
Question 7: What makes blood red?
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