EXSC 505 CH 1 Vocab With 100% Correct Answers!!
axial skeleton - ANSWER Includes the skull (cranium), vertebral column (vertebral
column (vertebra C1 through the coccyx), ribs and sternum.
appendicular skeleton - ANSWER Bones of the limbs and limb girdles that are attached
to the axial skeleton.
musculoskeletal system - ANSWER muscles, bones, joints and tendons
hyaline cartilage - ANS Most abundant type of cartilage; it provides the covering at the
ends of the bones; nose, ribs and long bones Synovial Fluid - ANS joint lubrication fluid
produced by the synovial membrane Tendon- ANS It connects muscle and Bone bone
periostium -ANS a specialized connective tissue overlaying all bone
muscle fibre - ANSWER A muscle cell, especially one of the cylindrical, multinucleate
cells that make up skeletal muscles and are composed of numerous myofibrils that
contract when stimulated.
a-band - ANSWER dark area; extends length of the thick filaments
Acetylcholine - ANSWER A neurotransmitter that enables learning and memory and also
triggers muscle contraction
Actin - ANSWER thin filaments
action potential - ANSWER a neural impulse; a brief electrical charge that travels down
an axon
, Fasciculi - ANSWER bundles of muscle fibers
motor unit - ANSWER A motor neuron and all of the muscle fibers it innervates
Myofibrils - ANSWER Microscopic protein filaments that make up muscle cells.
Myosin - ANSWER thick filament
all-or-none principle - ANSWER Refers to the fact that the action potential in the axon
occurs either full-blown or not at all.
alveolar pressure - ANSWER pressure within the lungs
Alveoli - ANSWER tiny sacs of lung tissue specialized for the movement of gases
between air and blood
aortic valve - ANSWER The semilunar valve separating the aorta from the left ventricle
that prevents blood from flowing back into the left ventricle.
arterial system - ANSWER carries blood away from the heart
Arteriole - ANSWER small artery
artery - ANSWER A blood vessel that carries blood away from the heart
atrioventricular bundle - ANSWER continuation of the specialised tissue of the AV node,
and serves to transmit the electrical impulse from the AV node to the Purkinje fibres of
the ventricles.
axial skeleton - ANSWER Includes the skull (cranium), vertebral column (vertebral
column (vertebra C1 through the coccyx), ribs and sternum.
appendicular skeleton - ANSWER Bones of the limbs and limb girdles that are attached
to the axial skeleton.
musculoskeletal system - ANSWER muscles, bones, joints and tendons
hyaline cartilage - ANS Most abundant type of cartilage; it provides the covering at the
ends of the bones; nose, ribs and long bones Synovial Fluid - ANS joint lubrication fluid
produced by the synovial membrane Tendon- ANS It connects muscle and Bone bone
periostium -ANS a specialized connective tissue overlaying all bone
muscle fibre - ANSWER A muscle cell, especially one of the cylindrical, multinucleate
cells that make up skeletal muscles and are composed of numerous myofibrils that
contract when stimulated.
a-band - ANSWER dark area; extends length of the thick filaments
Acetylcholine - ANSWER A neurotransmitter that enables learning and memory and also
triggers muscle contraction
Actin - ANSWER thin filaments
action potential - ANSWER a neural impulse; a brief electrical charge that travels down
an axon
, Fasciculi - ANSWER bundles of muscle fibers
motor unit - ANSWER A motor neuron and all of the muscle fibers it innervates
Myofibrils - ANSWER Microscopic protein filaments that make up muscle cells.
Myosin - ANSWER thick filament
all-or-none principle - ANSWER Refers to the fact that the action potential in the axon
occurs either full-blown or not at all.
alveolar pressure - ANSWER pressure within the lungs
Alveoli - ANSWER tiny sacs of lung tissue specialized for the movement of gases
between air and blood
aortic valve - ANSWER The semilunar valve separating the aorta from the left ventricle
that prevents blood from flowing back into the left ventricle.
arterial system - ANSWER carries blood away from the heart
Arteriole - ANSWER small artery
artery - ANSWER A blood vessel that carries blood away from the heart
atrioventricular bundle - ANSWER continuation of the specialised tissue of the AV node,
and serves to transmit the electrical impulse from the AV node to the Purkinje fibres of
the ventricles.
