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42 Cards in this Set
- Front
- Back
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Muscle make up how many percent of body weight?
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40 to 50%
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what are the three types of muscle
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skeletal, cardiac, smooth
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Myo means...?
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muscle
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Myology means..?
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study of muscle
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Sarco means...?
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flesh
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Sarcolemma means...?
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muscle plasma membrane
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Sarcoplasm means..?
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cytoplasm of a muscle cell
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Prefixes- myo, mys, sarco
all of them refers to..? |
muscles
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muscle contraction is depends on which two myofilaments?
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actin and myosin
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skeletal and smooth muscle cells are called ___________-
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muscle fibers
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which type of muscle has autorhythmicity?
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cardiac muscle
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which muscle(s) is/are striated?
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cardiac and skeletal muscle
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contraction of the heart is set at a fairly steady rate by?
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pacemaker
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smooth muscle, involuntary or voluntary?
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involuntary
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smooth muscle can be influenced by?
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hormones and neurotransmitters
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List three places that you can find smooth muscle
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Stomach
Urinary bladder Arteries Respiratory passages |
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which muscle contain partial autorhythmicity?
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smooth muscle
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the ability to receive and respond to stimuli, what is the vocab for this statement?
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excitability or irritability
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the ability to be stratched or expended, what is the vocab for this statement?
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extensibility
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the ability to recoil and resume to original state
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elasticity
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which type of muscle maintain blood pressure?
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smooth muscle
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contractility can shorten up to how many percent?
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50
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extensibility can stractch up to how many percent over resting length?
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20
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what are the muscle functions?
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movement
stabilizing body position storing and moving substances through body generate heat |
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about ___ % of heat generated in the body
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90%
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muscle is organized in bundles, each are wraped in?
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connective tissue
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what is fascia?
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consist of a sheet or band of fibrous CT under skin or walls surrounding organs
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what are the two fascias?
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superficial fascia (sub Q)
depp fascia |
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superficial fascia consist of which CT's?
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areolar and adipose
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Superficial fascia stores?
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fat
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what is the primary funciton of deep fascia?
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holdmuscle together and separate into groups
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what are the three layers of deep fascia?
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epimysium, perimysium, endomysium
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which deep fascia surrounds the entire muscle?
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epimysium
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which deep fascia consist small blood vessles?
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perimysium
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which deep fascia surrounds individual mnuscle fibers?
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endomysium
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each of those deep fascias are consist by which type of CT's?
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epi = dense regular
peri = dense irregular endo = areolar |
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which deep fascia muscle fused to periostinum of bone
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epimysium
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each muscle is served by how many nerve?
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one
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each skeletal muscle fiber is supplied with a ____ that controls contraction
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nerve ending
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wastes and heat are removed by?
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vein
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what is the diameter for skeletal fiber?
length? |
diameter: 10 to 100 um
length: 30 cm |
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what is the primary function of SR?
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stores calcium
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