Multiple Choice
Otto Loewi electrically stimulated a nerve in a frog heart. He then applied fluid surrounding that heart to a second heart. In this experiment, he found evidence that
A) neurons communicate chemically.
B) neurons communicate electrically.
C) the speed of neural transmission differs across species.
D) his theory of saltatory conduction was correct.
Correct Answer:

Verified
Correct Answer:
Verified
Q133: A scientist has inserted an electrode into
Q134: Which pair represents two distinct functional classes
Q135: After her stroke, Mei was able to
Q136: Positron emission tomography (PET) uses _ to
Q137: What evidence would be required to show
Q139: Key functions of the hypothalamus are<br>A) attention
Q140: After a skydiving accident, an MRI showed
Q141: A researcher wants to test her hypothesis
Q142: Which part of the brain relays information
Q143: Brain plasticity<br>A) is the ability of the