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Muscle Crossword

Jim Brown

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1.The function of this muscle types is to "pump" blood through the circulatory system
6.The ability to stretch without being damaged
8.Recovery oxygen consumption used to be called this (2 words)
9.In this type of contraction, the force generated is insufficient to overcome the resistance placed on the muscle and the muscle fibers lengthen as they contract
11.The cell (plasma) membrane of a muscle fibre or muscle cell
12.This is attached to the protein tropomyosin and lies within the groove between actin filaments in muscle tissue
13.Excess ATP produced in muscle is stored in the form of this (2 words)
17.This protein helps anchor the thin filaments to the Z discs
18.The ability to contract forcibly
19.This is the chemical used at the NMJ
20.The most abundant protein in muscle
25.The inability of a muscle to maintain its strength (force) of contraction or tension after prolonged activity is called this (2 words)
27.When this ion is released from the terminal cisterns of the SR, muscle contraction occurs
28.In a relaxed muscle fibre, this (2 words) stores the Ca2+
32.In this type of contraction, the force generated is sufficient to overcome the resistance, and the muscle shortens as it contracts
33.An increase in the number of muscle fibers
35.Is a protein (only found in muscle) that receives oxygen from hemoglobin and stores it in the tissues until needed
36.This kind of contraction is a contraction of all the muscle fibers in a motor unit in response to a single action potential in a motor neuron
37.These cells are able to fuse and make new muscle fibre
38.The type of muscle we use for voluntary movement
39.The contractile unit of muscles
40.This is a medical condition characterized by a prolonged contraction of skeletal muscle fibers
41.Granules of stored glycogen
2.This type of contraction occurs when tension in the muscle remains constant despite a change in muscle length
3.A special characteristic of cardiac muscle
4.The site of interaction between the nervous and muscular systems (2 words)
5.Anaerobic respiration is commonly known as this
7.In a relaxed muscle, this blocks the attachment site for myosin on the actin protein
10.A layer of connective tissue that ensheaths a muscle fibre
11.The adipose tissue of this (two words) stores most of the body’s triglycerides
14.Action potentials travel along the sarcolemma and through these (two words)
15.The main component of thin filaments
16.The basic functional unit of a myofibril
21.Unconscious nerve impulses maintain the muscles in a partially contracted state - this is called (2 words)
22.This protein anchors a thick filament to the Z disc and M line thus it helps to stabilize the position of the thick filament
23.Synaptic end bulbs contains many of these (2 words)
24.This type of contraction occurs when the muscle remains the same length despite building tension
26.A layer of connective tissue which ensheaths the entire muscle
29.The ability to return to its original shape after being stretched
30.An enlargement of existing muscle fibers
31.Anaerobic respiration results in the production of this kind of acid
34.These proteins form the M line at the very center of the sarcomere

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