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Muscle, Muscle, Muscle
Muscle Fiber Structure
The NMJ
Muscle Miscellaneous
Muscle Tissues and other stuff
100
This type of muscle is found only in the heart
What is cardiac?
100
These 2 proteins interact to form crossbridges during contraction
What are actin and myosin?
100
The sarcolemma at the nmj
What is a motor end plate?
100

Main source of energy, used to make ATP

glucose

100

Surrounds the entire msucle

Epimysium

200
Compared to skeletal muscle, this type of muscle is slower to contract and slower to relax
What is smooth?
200
This muscle fiber structure stores calcium ions for the formation of crossbridges
What is the sarcoplasmic reticulum?
200
This substance breaks down acetylcholine in the synaptic cleft
What is acetylcholinesterase?
200

The dark and light fibers in a muscle give the muscles a _______ appearance

Striated

200

Surrounds fascicles (bundles)?

Perimysium

300

The two types of muscle that are involuntary

smooth and cardiac

300
The cell membrane of a muscle fiber
What is sarcolemma?
300
A motor neuron and all the muscle fibers it innervates
What is a motor unit?
300

Process of making ATP during prolonged physical activity (no oxygen)

What is anaerobic respiration?

300

Immovable ends of muscles _____ and moveable ends are ______

origin and Insertion

400

This type of muscle has many mitochondria to create ATP

Skeletal

400

In myofibrils..

 A-bands are ____ and are composed of _____. 

thick; myosin

400

The gap between a neuron and the sarcolemma

Synapse

400
Minimal stimulus needed to cause a contraction
What is threshold?
400

When recruitment occurs, the # of motor units activated _____

increases

500
This muscle type has striations, is multi-nucleated, and is under voluntary control
What is skeletal muscle?
500

In myofibrils

I bands are ____ and composed of _____

Thin; actin

500
Ach is a ___________

Neurotransmitter

500

This chemical helps regenerate ATP 

Creatine Phosphate

500

Bundles of muscle fibers are called _____

Fascicles