Action potentials are conducted more rapidly
A) in small-diameter axons than in large-diameter axons.
B) in unmyelinated axons than in myelinated axons.
C) along axons that have nodes of Ranvier.
D) all of the above.
Answer: C) along axons that have nodes of Ranvier.
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Oxygen consumption increases with exercise due to the fact that the contracting muscles are doing work and require ATP to produce the contractions.
A) How does the body meet the increased demand for oxygen? B) Calculate the oxygen consumption of a runner using the following information: Heart Rate: 130 bpm; Stroke Volume: 270 mL/beat; Arterial oxygen content: 250 mL O2/L blood, and Venous oxygen content: 100 O2/L blood.
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a. True b. False Indicate whether the statement is true or false
____________________ helps in the process of blood coagulation.?
Fill in the blank(s) with correct word