The repeating unit of a skeletal muscle fiber is the
A) sarcolemma.
B) sarcomere.
C) sarcoplasmic reticulum.
D) myofibril.
E) myofilament.
B
Anatomy & Physiology
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Which labeled structures in the figure are canaliculi?
a) A b) B c) C d) D e) E
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In the coronary circulation, oxygen-rich blood is provided to the heart muscle by the ________
A) great middle and small cardiac veins B) right and left coronary arteries C) coronary sinus
Anatomy & Physiology
In the common pathway of coagulation, what factor combines with factor Va and calcium ions to form prothrombin activator?
A) XIIa B) VIIa C) IXa D) Xa
Anatomy & Physiology
What type of muscle is found attached to bones?
A. cardiac muscle B. skeletal muscle C. smooth muscle
Anatomy & Physiology