Which of the following is NOT part of the conducting system of the heart?
A) bundle of His
B) AV node
C) AV valve
D) SA node
C
Explanation:
A) The bundle of His is part of the conducting system of the heart.
B) The AV node is part of the conducting system of the heart.
D) The SA node is part of the conducting system of the heart.
Exercise 35: Post-Lab Questions
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Exocrine glands, smooth muscles, and cardiac muscles are controlled by the
A) central nervous system. B) autonomic nervous system. C) somatic motor division. D) enteric nervous system. E) peripheral nervous system.
Smooth muscles are primarily used to
A) move bones. B) help movements occur smoothly. C) generate heat. D) pump blood through the circulation. E) push substances through tubes.
As many as twenty primary ovarian follicles may reach maturity simultaneously
Indicate whether the statement is true or false
Marfan syndrome is a hereditary defect of elastin fibers. People with this syndrome have ________.
A. a small cranium B. stronger bones C. hyperextensible joints D. elastic bones E. viscous blood