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Bond [772]
3 years ago
15

5. Which is an example of an epidemic?

Biology
1 answer:
lions [1.4K]3 years ago
4 0

Answer:

A: Dengue fever in a small African town

Explanation:

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A psychology instructor is lecturing on the processes and mechanisms of messages in the nervous system. She has come to the part
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Answer:

She should use the example of "the wave" in stadiums to illustrate the idea of a nerve impulse.

Explanation:

"The wave" in a sport stadium is a good example to explain how a nerve impulse works because it shows how an action potential travels from one point to its destination making changes in the membrane potential that would be the equivalent of people standing up and sitting down to allow the next row to do the same to reach its final destination.

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3 years ago
What was Anton van leeuwenhoek’s contribution in the devolopment of cell theory?
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3 years ago
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Read the section "Cells Make Up Plants And
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Answer:

Due to cell wall.

Explanation:

Scientists were able to easily  identify the cells in plants first as compared to animal cell because the plant cell has cell wall while the animal cell has no cell wall only cell membrane. The structure of plant cell is just like the compartments and the cell wall provides the boundary between two cell which enable the scientist to see the plant cell first.

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3 years ago
Byron’s car skidded across the rain-slicked road, into oncoming traffic. He was able to regain control and avoid an accident. As
andre [41]

Answer:

Parasympathetic nervous system

Explanation:

Parasympathetic nervous system (PNS) along with sympathetic nervous system (SNS) makes autonomic nervous system (ANS). ANS controls the functioning of internal processes like digestion rate, heart rate, respiratory rate etc. During a threat or stressful situation SNS is activated. It increases heart rate, respiratory rate and directs blood flow towards peripheral muscles as a part of "fight or flight response". When the situation becomes normal, PNS is activated which restores all the vitals as a part of "rest and digest" mechanism.

Since here Byron almost got into an accident, he was scared a lot due to which his SNS was activated. Eventually when he realized that he is out of danger, his PNS got activated which returned his heart rate and blood pressure to normal levels.

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3 years ago
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