Which of these structures are not present in the cochlea?

Where is the midbrain located?

In which of these structures are cone cells densely packed?

How many layers of neural cells are present in the retina?

How many types of photoreceptor cells are present in the retina?

Which of these structures are not present in the outer ear?

Where is the oval window located?

Which of these structures are present on the post-synaptic membrane?