The ________ increases the speed of action potential transmission.
A. terminal bouton
B. cell body
C. axon
D. myelin sheath
Answer: D
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During inspiration,
a. intra-alveolar pressure falls below atmospheric pressure. b. the diaphragm contracts. c. the internal intercostal muscles contract. d. conditions a and b exist e. conditions a, b, and c exist
The point of the retina with the most distinct vision is the ____________________
Fill in the blank(s) with correct word
Beaker 1 contains water at 23 degrees C. Beaker 2 contains water at 5 degrees C. Beaker 3 contains water at 95 degrees C. In which beaker will the rate of diffusion be greatest?
A) beaker 3 B) beaker 2 C) beaker 1 D) There is not enough information given to answer the question.
With which body system does the respiratory system work to regulate the pH of body fluids?
a) muscular b) digestive c) nervous d) endocrine e) urinary