Examl 1:l BIOSl 252/l BIOS252l (Latestl
2026/l 2027l Update)l Anatomyl andl Physiologyl IIl withl Labl Guide|l Q/Al |l Gradel A|l 100%l Correctl (Verifiedl Answers)l -Chamberlain
Q:l Endomysium
Answer:
-Thinl sleevel ofl loosel connectivel tissuel aroundl eachl musclel fiber -Allowsl rooml forl capillariesl andl nervel fibersl tol reachl everyl musclel fiber -Providesl extracellularl chemicall environmentl forl thel musclel fiberl andl itsl associatedl nervel ending
Q:l Perimysium
Answer:
-Thickerl connectivel tissuel thatl wrapsl musclel fibersl togetherl inl bundles---fascicles -carriesl thel largerl nervesl andl bloodl vesselsl asl welll asl stretchl receptors---musclel spindles.
Q:l Epimysium
Answer:
-Fibrousl sheathl surroundingl entirel muscle 1 / 3
-onl itsl outerl surface,l thel epimysiuml gradesl intol thel fascia;l itsl innerl surfacel issuesl projectionsl betweenl thel fasciclesl tol forml thel perimysium
Q:l sarcomere
Answer:
-Contractilel unitl ofl muscle -Separatedl froml eachl otherl byl darkl bandsl calledl Zl lines -Distancel betweenl Zl discl tol al Zl disc
Q:l Il band
Answer:
-froml thel endl ofl onel thickl filamentl tol thel beginningl ofl thel nextl thickl filament -Thisl isl whatl createsl thel lightl band
Q:l Al band
Answer:
-froml thel beginningl ofl onel thickl filamentl tol thel endl ofl thel samel thickl filament -Thisl isl whatl createsl thel darkl band
Q:l Hl band
Answer:
-froml thel endl ofl onel thinl filamentl tol thel beginningl ofl thel nextl thinl filament 2 / 3
-notl asl dark -middlel ofl Al band -thickl filamentsl only
Q:l Zl disk(line)
Answer:
-providesl thel anchoragel forl thel thinl andl elasticl filaments.
Q:l Ml line
Answer:
-thel linel foundl atl thel centerl ofl thel thickl filament -Providesl anl anchorl forl thel thickl filament -middlel ofl Hl band
Q:l Sarcolemma
Answer:
thel plasmal membranel ofl al musclel cell
Q:l Myosin
Answer:
thickl filamentl protein
- / 3