An intercalated disc can be described as ______.
a. the boundary between longitudinal and circular smooth muscle layers
b. the area of the sarcolemma where the motor neuron is located
c. prominent nuclei strands observed in skeletal muscle
d. a dark line observed between adjacent cardiac muscle cells
Answer: d. a dark line observed between adjacent cardiac muscle cells
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The connective tissue that attaches muscle to bone is called:
a. origin b. insertion c. tendon d. bursae
Triceps brachii is assisted in extension of the elbow by the synergistic muscle
A) extensor digitorum. B) anconeus. C) brachialis. D) pronator teres. E) extensor olecranis.
What are the basic needs of all cells in the body?
Elastic cartilage is found
A) between vertebrae. B) in the knee joint. C) in the nose. D) in the ear. E) in the ribcage.