Science and Nature Quiz for 9 July 2014
A new science quiz is available each week. Try our daily general knowledge quiz or work through our archive of daily and themed quizzes.
Question 1: In biology what are Retzius lines?
A
B
Seam lines on the cranium
Growth lines or bands in tooth enamel
C
Fine muscles directly in front of the urinary bladder
D
Veins alongside the abdominal walls