Musculoskeletal System
3 Types of Muscle
Skeletal Muscle

Reacts to _______________________
Cardiac Muscle

Can respond to __________________
_______________________________
Smooth Muscle

Responds to a ____________________
Skeletal Muscle and Bones
More than ______________________________
Usually _______________________
Some work together to ___________________________
____________________
Others work in opposition __________________________
__________________________
Example of Antagonism
______and ________
When______________, ___________________
When__________,____________________
Muscle Contraction & Bones
Origin  Bone of attachment that ___________________
______________________
Insertion  Bone of attachment ___________________
_________________________

Example
Biceps Brachii __________________
Insertion ___________________
Origin is _______________
Muscle Fiber Structure & Function
Sarcomere

functional ________________________
Each end of the sarcomere ______________________
Thick Filaments ______________________
Thin filaments _____________________
Muscle Contraction

Skeletal muscles ____________________________

Nerve impulse _____________________________

Thick myosin _________________________filaments closer together, ________________________

The point where ___________________is called a
______________________

ATP is split by an enzyme __________________

This reaction creates a ________________that binds
_________________________

A single contraction _________________________

After death, no _____________________________
_____________________________________