Match the terms to their definition/function. 1) Formed by transverse tubules and two terminal cisternae. 2) Narrow, plate shaped regions of dense protein. 3) Plasma membrane of a muscle fiber. 4) Contractile element of the skeletal muscle fiber; containing thick and thin filaments. 5) Surrounded by the sarcolemma; the cytoplasm of the muscle fiber. 6) Serves as storage form of glucose; can be broken down and used to synthesize ATP. 7) Storage center for calcium in relaxed muscle. 8) Invaginations of the sarcolemma; filled with extracellular fluid. 9) Repeating units of a myofibril. 10) Center of the A band; contains only thick filaments. 11) Entire length of the thick filament; contains area of overlap with thin filament 12) Smaller structures within myofibrils: 13) Contains only thin filaments. 14) Formed by supporting protelis s holding thick filaments together in the center of the H zone. 15) Red, oxygen binding protein that is anly fothid in the muscle stores oxygen until it is needed by mitochondria for ATPSarcolema Sarcoplasm T tubules Glycogen Myoglobin Myofibril Filaments Sarcoplasmic reticulum TriadTriad Sarcomere Z discs Abands band Hzone M line.

1. Match the terms to their definition/function. 1) Formed by transverse tubules and two terminal
cisternae. 2) Narrow, plate shaped regions of dense protein. 3) Plasma membrane of a muscle
fiber. 4) Contractile element of the skeletal muscle fiber; containing thick and thin filaments. 5)
Surrounded by the sarcolemma; the cytoplasm of the muscle fiber. 6) Serves as storage form of
glucose; can be broken down and used to synthesize ATP. 7) Storage center for calcium in
relaxed muscle. 8) Invaginations of the sarcolemma; filled with extracellular fluid. 9) Repeating
units of a myofibril. 10) Center of the A band; contains only thick filaments. 11) Entire length of the
thick filament; contains area of overlap with thin filament 12) Smaller structures within myofibrils:
13) Contains only thin filaments. 14) Formed by supporting protelis s holding thick filaments
together in the center of the H zone. 15) Red, oxygen binding protein that is anly fothid in the
muscle stores oxygen until it is needed by mitochondria for ATPSarcolema Sarcoplasm T tubules
Glycogen Myoglobin Myofibril Filaments Sarcoplasmic reticulum TriadTriad Sarcomere Z discs
Abands band Hzone M line