Cardiac muscle
A) contracts as a syncytium.
B) excites itself.
C) is only in the heart.
D) all of the above.
Correct Answer:
Verified
Q44: Short muscle cells with centrally located nuclei
Q45: Compared to skeletal muscle, smooth muscle
A)contracts more
Q46: A muscle fiber exposed to a series
Q48: The type of muscle cell that lacks
Q55: Smooth muscle has _ and not troponin.
A)calmodulin
B)fibronectin
C)norepinephrine
D)titin
Q61: The more movable end of a muscle
Q62: The linea alba is
A)a muscle extending from
Q64: The muscle that adducts and flexes the
Q73: The muscle that opposes a particular action
Q79: Bones and muscles function as mechanical devices
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