The Muscular System
People with more slow twice fibers would be good at ______.
long distance running.
sarcomere.
Connect muscles to bones.
What are tendons?
What are the 3 types of muscle?
smooth, cardiac, and skeletal
Raising your arm to shoulder level is accomplished by a _______ of the deltoid.
flexion
The thick filament in a sarcomere.
myosin
A bundle of muscle fibers is called
fascicle or fasciculus
What kind of muscle(s) are involuntary?
smooth and cardiac
The term that describes the ability of a muscle to shorten forcefully.
contractility.
The neurotransmitter found in synaptic vesicles in skeletal muscle.
Acetylcholine
The name of the attachments found on myosin that connect to actin.
cross bridge
The most outer covering around a muscle.
epimysium
Type of muscle that is striated.
Skeletal
What does it mean to say that muscles exhibit excitability?
respond to a stimulation by the nervous system.
_______ system conducts action potentials deep into the muscle.
T-tubules or T-system
actin
The most efficient method of producing ATP
Aerobic respiration (cellular respiration).
Muscle that is branched
Cardiac
time between stimulus of a motor neuron and the contraction is called the ______ phase.
latent or lag phase.
During resting conditions, ________ is synthesized to store energy for contractions.
creatine phosphate
Type of muscle that occurs in sheets and has gap junctions.
visceral smooth muscle
Hypertrophy is caused by an increase in the
size of muscle fibers (fast twitch fibers)
Muscle that is multinucleate
smooth
A condition in which stimuli occur so rapidly that there are no intervening relaxations between contractions is called.
complete tetnus