Grooves on the external surface of the heart that divide the right and left ventricles include the
A) lateral sulcus.
B) interventricular septum.
C) coronary fissure.
D) anterior interventricular sulcus.
E) atrioventricular sulcus.
D) anterior interventricular sulcus.
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Which is a correct listing of the hierarchy of a skeletal muscle's components, beginning with the smallest? a: Myofibrilsb: Muscle fiberc: Fascicled: Skeletal muscle
A. d, c, b, a B. c, b, a, d C. a, b, c, d D. a, c, b, d E. b, c, a, d
Chemical buffer systems are the most powerful mechanism available for defending against changes in [H+] because they respond the fastest
Indicate whether the statement is true or false
The radial nerve originates from the plexus.
a. cervical b. brachial c. lumbar d. sacral
"Spikes" form on a dehydrating blood cell when it is placed in a(n) ________ solution
A) isotonic B) hypertonic C) hypotonic