carries impulses between the eye and the brain
optic nerve
name parts 6 and 4
4. axon, 6 axon ending
made up of fat, connective tissues, and larger blood vessels
subcutaneous tissue
Part of the brain responsible personality, thinking, planning, and problem-solving
cerebrum; frontal lobe
what is hyperopia?
hyperopia can see distant objects clearly, but they cannot focus propely on near objects
the layer of skin that exists only on the palms of the hand and soles of the feet
Stratum lucidum
part of the ear that equalizes pressure between the middle ear and the air outside.
eustachian tube
layer that contains cells that produce pigment and protect immune system
epidermis
name the two types of light receptors
rods and cones
what lens is used to correct myopia?
concave lens
Name parts 1 and 2
1. dendrites 2. nucleus
refracts light as it enters the eye
cornea
name the three tissues found on the dermis
collagen, elastic tissue, reticular fiber
tissue that is associated with body temperature regulation
subcutaneous tissue
gland which controls insulin
pancreas
links the brain to the rest of the body
spinal cord
controls the movement, balance and muscles
cerebellum
what lens is used to correct hyperopia?
convex lens
define accommodation
accommodation is the process of changing the shape of the lens to focus on near or distant objects.
name the three specialized cells in the epidermis
Melanocytes, Langerhans cells, Merkel cells
alters the shape of the lens so that the eye can focus
ciliary muscle
Nerves that go from the receptive organs to the central nervous system
afferent (sensory) nerves
describe myopia
someone with myopia can see near objects clearly but cannot focus properly on distant objects.
nerves that go from the central nervous system to the responsive organs
efferent (motor) nerves