<span><span>Photoreceptors
are cells</span><span><span> <span>in
the retina</span></span><span> that
begin the process of seeing. The retina is the back part of the eye that
contains the cells that respond to light. These specialized cells are called photoreceptors. They
absorb and convert light into electrical signals. These signals are sent to
other cells in the retina and ultimately through the optic nerve</span></span><span> <span>to
the brain</span></span><span> where
they are processed into the images we see. The answer is true. Animals
with photoreceptors have good vision.</span></span>
She has serious osteoporosis, the postmenopausal shortage of estrogen has put her bones in danger, weight-bearing activity and supplemental calcium will most likely be recommended. Osteoporosis is a state of delicate bone with an expanded vulnerability to break. Osteoporos is debilitated bone and builds the danger of bones breaking.
