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chapter 8 test review
ch.8 terms
34
Science
7th Grade
02/14/2008

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Term
say the sequence of the eye out loud.
Definition
cornia, pupil iris, lens, humor, retina, optic nerve
Term
rods:
Definition
night vision
Term
cones
Definition
see color
Term
pancread
Definition
regulated blood gluclose levels
Term
thyroid glands
Definition
energy use; increases the rate at whic you use energy
Term

thymus gland

Definition
T cells, destroys diseases immune system
Term
parathyroid gland
Definition
regulates calcium levels in the blood.
Term

adrenalen gand

Definition
fight-or-flight ; epinephrine
Term
pituitary gland
Definition
affects hormones of other glands
Term
killer T cells
Definition
destorys disease
Term
olfactory cells
Definition
taste & smell
Term
epinephrine
Definition
adrenalen ; danger
Term
autonomic nervous system
Definition
heart beat(example)
Term
CNS
Definition
brain and spinal cord
Term
sensory neuron
Definition
gathers information internal and external from the body.
Term
motor neuron
Definition
carries muscles and glands
Term
nerve
Definition
neuron; that are axons bundled together
Term
impulses move:
Definition
from the dendrite to the axon
Term
say the hearing sequence out loud:
Definition
outer ear, ear canal, ear drum, ear bones , cochlea
Term
medulla
Definition
involuntary movements; another name for the medulla is the brain stem
Term
papillae
Definition
bumps on the tounge
Term

cerebrum

Definition
the biggest part of the brain, thinking and memories
Term
cerebellum
Definition
balance
Term
what connects the body to the nervous system ?
Definition
nerves
Term

vertebrae

Definition

protects the spinal cord

Term
skin receptors
Definition
vibration , touch , pressure, pain
Term
feedback mechanism
Definition
one step affects the previous steps
Term
glands
Definition
cells that make chemicals (special cells)
Term
hormones
Definition

chemical messengers

Term
insulen
Definition
diabetes melitus
Term
endocrine system
Definition
uses hormones
Term

integumentery system

Definition
skin, hair, nails
Term
glycogen
Definition
liver, another sugar in the liver
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