The Human Eye and Pupil reflex

What is the part of the eye labelled 15 in the diagram?

• fovea

• blind spot

• retina

• pupil

Name the part of the eye labelled 6.

(a)  

Which part of the eye is the receptor in the pupil reflex?

• 3

• 10

• 11

• 13

Which part of the eye is the effector in the pupil reflex?

• 3

• 4

• 6

• 8

What is the name of the muscles in the iris?

• Circular and Radial

• Circular and longitudinal

• Radial and Circle

• Radius and Circular

In the optic nerve, (a)   neurones are found.