Ch. 6 Muscles Word Scramble
|
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Question | Answer |
Four major functional characteristics of skeletal muscles? | Contractility, excitability, ectensibility, and elasticity |
Connective tissue sheath surrounding skeletal muscles? | Epimysium |
Connective tissue located outside the epimysium? | Fascia |
Loose connective tissue surrounding muscle fasciculi? | Perrimysium |
The term for single muscle cells? | Fibers |
Connective tissue sheath around muscle fibers? | Endomysium |
The filling of each muscle fibers cytoplasm? | Myofibrils |
Two major protein fibers of myofibrils? | Actin myrofilaments, and myosin myofilaments |
The ability of skeletal muscle to shorten with force? | Contractility |
The capacity of skeletal muscle to respond to a stimulus? | Excitibility |
The ability to be stretched? | Extensibility |
The ability to recoil to original resting length? | Elasticity |
Thin myofilaments that resemble twisted pearls? | Actin Myofilaments |
Thick myofilaments that resemble golf clubs? | Myosin Myofilaments |
Basic structural and funtional unity to muscle? | Sarcomere |
Purpose of a Z line? | Actin attachment site. |
Appearance of the arrangement of actin and myosin? | Banded |
What creates an I band? | Actin |
Where is the I band? | On each side of the Z line. |
What is the light area in the center of sarcomere? | The H zone which consists of myosin. |
the anchor for Myosin myofilaments to attach to the center of sarcomere? | A dark staining band called the M line. |
The charge difference across the membrane? | Resting membrane potential. |
Brief reversal of charge? | Action potential |
Nerve cells that carry action potential to skeletal muscle fibers? | Motor neurons |
Each branch that connects to the muscle? | Neuromuscular junction |
Alternative name for neuromuscular junction? | Synapse |
A single motor neuron and all the skeletal muscle fibers it innervates? | Motor unit |
The term for many motor units? | Muscle |
The enlarged nerve terminal? | Presynaptic terminal |
Space between the presynaptic terminal and the muscle cell? | Synaptic cleft |
What each presynaptic terminal contains? | Synaptic vesicles |
Secretions of the synaptic vesicles? | Acetylcholine |
Created by:
120036536
Popular Anatomy sets