Types of Muscles
What type of muscle is voluntary?
Skeletal
Another word for individual muscle cells
Muscle fibers
Where a neuron and muscle fiber meet
Neuromuscular junction
A toxin used to prevent wrinkles
Botulism
Connective tissue that attaches muscle to bone
tendon
Cardiac and skeletal muscles are both _________.
Striated
Bundles of muscle fibers are called ____________
fascicles
ACH (acetylcholine)
A deadly bacterial infection commonly diagnosed by "lockjaw" symptom
Tetanus
When muscles become weak and shrink
atrophy
3 places involuntary muscle is found.
Heart, digestive system, blood vessels
________ are thin myofilaments, ________ are thick myofilaments.
Actin; myosin
Synaptic vescicles
A group of diseases that inhibits protein production needed to produce healthy muscle.
Muscular Dystrophy
The concept that muscle fibers will not contract partially, they will either contract or they won't
All-or-none response
What kind of muscle is involuntary and unstriated?
Smooth
___________ repeat all along the length of the myofibrils; the functional unit of the muscle.
Sarcomeres
The enzyme that eliminates ACH from the synapse.
Cholinesterase
A disease caused by the progressive deterioration of neurons resulting in muscle weakness.
ALS
Minimum nerve stimulus needed to cause a muscle to contract
Threshold stimulus
Random: What is Ms. Brisbin's favorite muscle?
The heart (awwwww)
The membrane that surrounds the entire muscle tissue.
Epimysium
Ion released and reabsorbed by the sarcoplasmic reticulum
Calcium
An autoimmune disease that causes the body to attack its own ACH receptors
Myasthenia Gravis
Where muscle attaches to bone that doesn't move during contraction
origin