Look who's walking now.
It is striated, branched, and uninucleated.
cardiac muscle
Agonist muscle are the _______ mover.
primary
Skeletal muscle is voluntary/ involuntary.
Skeletal muscle is striated / nonstriated.
voluntary / striated
Where is the orbicularis oris muscle?
surrounds the mouth
What colors mix to make green?
blue and yellow
Myosin is ___ and thick. Actin is ____ and thin.
dark; light
Muscle fibers are also called muscle ______.
cells
___ ______ mark the boundaries of the sarcomere.
Z lines or disks
The M line marks the __________ of the sarcomere.
middle
What is a supernova?
The explosion of a star.
Smooth muscle is voluntary / involuntary.
Smooth muscle is striated / nonstriated.
involuntary / nonstriated
Cardiac muscle is voluntary / involuntary.
Cardiac muscle is striated / nonstriated.
involuntary / striated
ATP stands for __________________.
adenosine triphosphate
Synergist muscles _________ the primary mover (agonist) muscle.
assist
What is the chemical symbol for gold?
Au
Places in the body where smooth muscle can be found.
intestines; esophagus; uterus; urinary bladder; iris of the eye; blood vessels; trachea; bronchial tree
Antagonist muscles ____ the agonist and ____ the movement.
oppose / refine
The myofibril within the muscle cell contains contractile proteins called __________ and _________.
myosin and actin
In the sarcomere, the H zone contains only ______.
myosin
What does a sommelier specialize in?
wine
Origin is _________. Insertion is _________.
fixed, stationary / mobile, movable
A bundle of muscle fibers is called a __________.
fascicle
During depolarization, NA (sodium ions) enter or exit the cell?
enter
Troponin _______ muscle contraction and tropomyosin _____ muscle contraction.
promotes; blocks
What shape is a stop sign?
octagon