Compared to skeletal muscle, cardiac muscle ________
A) has more nuclei per cell
B) lacks striations
C) cells are larger than skeletal muscle cells
D) has gap junctions that allow it to act as a functional syncytium
D
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________ is a condition in which the heart rate is slower than normal.
A) Cardiac arrhythmia B) Bradycardia C) Tetanus D) Summation E) Tachycardia
Macrophages are cells specialized for
A. carrying gases. B. secretion. C. support. D. absorption. E. phagocytosis
Kristen went to the dentist complaining of jaw tenderness and popping noises when she opens and closes her mouth. He notices abnormal wearing on the articulating surfaces of her teeth. Which of the following conditions does she most likely suffer from?
A) deviated nasal septum B) cleft palate C) temporomandibular joint syndrome D) dislocated jaw E) sinusitis
List the four key morphological traits that characterize all chordates. Discuss the important physiological transitions from early chordates to Craniata and their evolutionary implication
What will be an ideal response?