Cardiac muscle tissue ________
A) is under the control of the voluntary (conscious) nervous system
B) is striated, like skeletal muscle tissue
C) is found in the heart and major blood vessels
D) has spindle-shaped cells, like smooth muscle tissue
Answer: B
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A) flexing; extending B) rotate; conduct C) abducting; adducting D) pronating; supinating
Calcium turns on cross bridges by physically repositioning the troponin-tropomyosin complex to uncover the actin cross-bridge binding sites in
a. skeletal muscle. b. cardiac muscle. c. smooth muscle. d. both skeletal and cardiac muscle. e. all of these answers.
_____ is a state of high metabolic activity in which the cell does most of its growing.
A. Prophase B. Metaphase C. Anaphase D. Telophase E. Interphase
The complex, interwoven network formed by contributions from the anterior rami of neighboring spinal nerves is termed a(n)
A) dermatome. B) autonomic nerve. C) lateral nerve. D) tract. E) plexus.