BIOS-252 Anatomy & Physiology II with Lab
Final Exam Study Guide – Biology 252
Where is calcium stored?
- sarcoplasmic reticulum
contractile proteins
- actin and myosin
regulatory proteins
- tropomyosin and troponin
structural proteins
- Titin
Nebulin
Alpha-actin
Myomesin
Dystrophin
isotonic contraction
- the tension developed in the muscle remains almost constant while the muscle changes
its length
isometric contraction
- the tension generated is not enough for the object to be moved and the muscle does
not change its length
Lever system components
- fulcrum: joints effort: muscles load: resistance being overcome
Agonist
- contracts and causes an action
Antagonist
- stretches and yields to the movement of the prime mover
Neuron Structure
central nervous system
- brain and spinal cord
sensory input
- Dorsal; Afferent
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