The process of contraction without either neural or hormonal stimuli as occurs in the cardiac muscle is called ________.
Fill in the blank(s) with the appropriate word(s).
automaticity or autorhythmicity
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Given the information below, the neuron with the characteristics listed in choice __________ would have the fastest conduction velocity
A) Myelinated, 50 ?m diameter B) Myelinated, 10 ?m diameter C) Unmyelinated, 50 ?m diameter D) Unmyelinated, 10 ?m diameter Fill in the blank with the correct answer.
The structure associated with pheromonal reception is
a. the nasal organ b. the olfactory mucosa c. papillae d. taste buds e. vomeronasal organ
All of the following elevate the ribs EXCEPT the ________
A) internal intercostals B) scalene muscles C) external intercostals D) serratus posterior superior
The earliest period of prenatal development is the _________ period
A. embryonic B. neonatal C. germinal D. infant E. fetal