Why is the speed of conduction through a reflex arc slower than the speed of conduction of an action potential along an axon?
a. Transmission between neurons at synapses is slower than along axons.
b. The longer an axon, the slower its velocity.
c. Interneurons have thicker axons than other neurons.
d. There are greater amounts of myelin involved in the reflex arc.
Question 2
What happens when insulin levels are high?
a. Fat supplies are converted to glucose, which enters the blood.
b. Fat supplies are depleted.
c. Glucose entry into the cells increases.
d. The sphincter muscle between the stomach and the duodenum opens.
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