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PtichkaEL [24]
3 years ago
15

In which two ways does a hummingbird’s nervous system help it’s body’s cells get nutrients

Biology
1 answer:
e-lub [12.9K]3 years ago
5 0

Answer:

it controls the heartbeat

it controls the movement 

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Among the northern Andean countries strongly involved in the illegal coca and drug trade, __________ is now the predominant coca
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Among the northern Andean countries strongly involved in the illegal coca and drug trade, Columbia is now the predominant coca producer, so the answer would be option A.
Hope this helps!
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The dermis is the inner layer of the skin that contains within its structure
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grandymaker [24]

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Yes, but not for a long period of time

Explanation:

-> My answer comes from some quick research I did

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A puff of air to the eye causes a reflexive blink. If you precede the puff of air with a buzzer, eventually the buzzer will caus
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There are options for this question they are:

a) neutral stimulus; conditioned stimulus

b) conditioned stimulus; neutral stimulus

c) unconditioned stimulus; conditioned stimulus

d) neutral stimulus; unconditioned stimulus

e) unconditioned stimulus; neutral stimulus

The correct answers are - In this example, the buzzer begins as the neutral stimulus and eventually becomes the conditioned stimulus. The buzzer initially is a neutral stimulus because it have no role to play in the blinking response. Eventually though through learned association the buzzer becomes a conditioned stimulus because you now associate it with a puff of air to the eye which in turn causes you to blink.

5 0
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