Question 1
The lens is bathed on both sides by
◦ the vitreous humor.
◦ the aqueous humor.
◦ blood.
◦ a solution rich in glucose.
◦ the enzymes for proper function.
Question 2
The loudness of sound is measured in
◦ millihertz.
◦ decibels.
◦ megahertz.
◦ watts.
◦ gigahertz.