BIOL 235 Midterm 2 EXAM (COMPLETE ANSWERS
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the _________________ is divided into 3 areas : the semicircular canals, vestibule, an
dcochlea
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1 cartilaginous labyrinth bony labryinth
3 membranous labyrinth 4 auditory labyrinth
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Terms in this set (185)
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between the origin and Origin
insertion which is usually
located proximally in
limbs ?
What happens during specific movements of the body the actions are
REVERSE MUSCLE reversed THEREFOR the positions of the origin and
ACTION? insertion of a muscle are switched
What is a mechanical if the load is closer to the fulcrum and the effort is
advantage using the farther from the fulcrum only a small about of effort is
example of a lever? needed to move the load
Bones serve as levers and fulcrum
joints serve as ________ for
the lever
Agonist (Prime Movers) contract, relax
_________ muscles while
antagonist ____________
muscles
What are muscles that synergists
contract and stabilize the
intermediate joints called?
What is a group of skeletal Compartment
muscles, their blood
vessels, and nerves
called?
Origin an insertion of the Origin = maxilla and zygomatic arch
masseter Insertion = angle and ramus of the mandible
What is the origin of the acromial extremity of clavicle, acromion, and spine of
deltoid ? scapula
semimebranosous,
What are the 3 muscles
semitendinosus, biceps femoris
that make up the
hamstring ?
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rectus femoris, vastus lateralis,
What 4 muscles make up vastus medialis, vastus
the Quads ? intermedialis
What do you call a small Ganglia
mass of nervous tissue that
is made up primarily of
neuron cell bodies?
The somatic nervous skeletal
system only sends
impulses to ________ muscles
Fight or Flight is Sympathetic
associated with which
division of the autonomic
nervous system?
What is the ability to electrical excitability
respond to a stimulus and
convert it into an action
potential?
What type of neurons Multipolar
usually have several
dendrite and on axon ,
and are norm ally found in
brain and spinal cord as
well as motor neurons?
What type of neurons Bipolar
have one main dendrite
and one axon as well as
are primarily found in the
retina of the eye, inner ear,
and the olfactory area of
brain?
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