What structure focuses light the eye?

Attached to the oval window.

The receptor for dynamic equilibrium is the:

Integration center.

The first “way station” in the visual pathway from the eye, after there has been partial crossover of the fibers in the optic chiasma, is the:

When a neurotransmitter like GABA is acting in an inhibitory manner which of the following is likely a result of the GABA acting on the post synaptic cell?

What is the major factor controlling the manner in which levers work?

Which of these is not a way of naming muscles?

Which is the A band?

Which is/are calcium ions?