The numerous ________ within the intercalated discs prevent cardiac muscle fibers from pulling apart.
Fill in the blank(s) with the appropriate word(s).
desmosomes
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Which of the following does NOT describe erythrocytes?
A. contain myoglobin B. have a high surface-to-volume ratio C. carry oxygen and carbon dioxide in blood D. are red in color E. when mature, have no nucleus
What is a fascicle of a skeletal muscle?
A. A bundle of skeletal muscle fibers B. A layer of connective tissue surrounding an entire skeletal muscle C. A motor neuron and all of the muscle fibers that it innervates D. A contractile unit of a myofibril E. An inward extension of the sarcolemma through the muscle fiber
Presence of hCG in a woman's urine indicates that she is pregnant.
Answer the following statement true (T) or false (F)
The perimetrium, myometrium, and endometrium are layers of the ________ wall
A) ovarian B) fallopian C) vaginal D) uterine