When a Neural Impulse Reaches the End of an Axon,it

question 69

Multiple Choice

When a neural impulse reaches the end of an axon,it causes the tiny oval sacs at the end of the axon to release chemicals called __________.

• A)effectors
• B)neurotransmitters
• C)stimulants
• D)ions

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Definitions:

Nonbiological Reservoirs

Environments or materials that can harbor or transmit disease-causing organisms without having biological functions themselves.

Aquifers

Underground layers of water-bearing rock or materials that can yield water for use.

Guano

The accumulated excrement of seabirds or bats, used historically as a highly effective fertilizer because of its high nitrogen, phosphate, and potassium content.

Limestone

A sedimentary rock composed mainly of calcium carbonate, often used in construction and as a raw material in cement production.