These structures keep the aortic valve cusps from sticking to the wall of the aorta

A) auricles
B) chordae tendineae
C) papillary muscles
D) pectinate muscles
E) aortic sinuses


E

Anatomy & Physiology

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Caloric intake exceeding caloric output is a positive energy balance

Indicate whether the statement is true or false

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Many visceral smooth muscle cells lack motor neuron innervation. How are their contractions coordinated and controlled?

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Which of the following helps the spine absorb shock?

A. spinal curves B. intervertebral discs C. ligaments D. both A & B E. all of the above

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Which of the following originate in the posterior grey horn?

a. first order sensory neurons b. second order sensory neurons c. lower motor neurons d. upper motor neurons

Anatomy & Physiology