(a(i))[1]
State the technical term for muscles that function in this manner.
(a(ii))[1]
Name the arm muscle that contracts to pull your hand away from your nose after smelling a flower.
(b(i))[2]
Using the letters in Fig. 5.1, identify the two muscles that contract to lift the leg off the ground from position R to position S.
(b(ii))[1]
State what happens to the remaining muscles in Fig. 5.1 during this movement.
(c)[3]
Describe how a similar muscle arrangement in the eye improves vision in dim light.