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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Many visceral smooth muscle cells lack motor neuron innervation. How are their contractions coordinated and controlled?
Anatomy & Physiology
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
Anatomy & Physiology
Caloric intake exceeding caloric output is a positive energy balance
Indicate whether the statement is true or false
Anatomy & Physiology
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