Name the structures that are reservoirs that store acetylcholine
Which contraction occurs when you try (unsuccessfully) to move a wall?
The type of muscle fibers that are striated, form Y-shaped branches, and are joined by intercalated discs are
Myoglobin is a molecule within muscle cells that can bind
A flat, thin structure made of dense connective tissue that serves to attach a muscle to a bone (or to another muscle) is a(n)
To initiate a smooth muscle cell contraction, calcium enters the cell and binds to
Which is the neurotransmitter that causes the release of calcium ions from reservoirs within the muscle cell and thereby initiates the steps of contraction?
A skeletal muscle cell contains hundreds to thousands of _________, which are complex organelles; they are cylindrical in shape—about 2 micrometers in diameter and as long as the cell.
Muscles that assist an agonist in performing a movement are known as a
The neurons that stimulate muscle contraction are called _____ neurons.
"Staircase" and "warming-up effect" refer to ___________, an increased muscle response to a constant stimulus.
Down
In the limbs, which tends to be a muscle's more distal attachment?
Name the structures that have active sites to which the heads of the thick filaments will bind
Release of crossbridges and a decline in muscle tension characterize the _______ period of a twitch.
A muscle whose action opposes that of the prime mover is known as a(n)
The property of muscle tissue that allows an impulse to travel down the entire length of the cell membrane is
The spring-like property that returns muscle to its original length after a contraction ends is
The mentalis muscle has what action?
A term that describes the change in muscle following a lack of exercise is
The multiple nuclei in skeletal muscle cells are the result of the
fusion of ___
The type of muscle fibers that have only a single nucleus, both thick and thin filaments, but no Z discs, are
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