fascicle
#5 on image
muscle fiber
#7 & what surrounds #7 on image
myofibril
epimysium
#3 on image
perimysium
fibrous connective tissue that surrounds groups of 10-100 individual muscle fibers called fascicles
#4 on image
endomysium
connective tissue surrounding an individual muscle fiber
#7 on image
fascia
loose connective tissue wraps around groups of muscle
#2 on image
myosin
the contractile protein that makes up the thick filaments of muscle fibers
actin
a contractile protein that is part of the thin filaments in muscle fibers
sarcomere
the functional unit of muscle that produces muscular contraction & consists of repeating sections of actin & myosin
tendon
#1 on image
filament
inside myofibril