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Jobisdone [24]
3 years ago
12

Xi needs to stay awake another hour to study for his English final, so he drinks several cups of cola. When he's done studying,

he finds that he can't sleep even though he wants to, he feels agitated, his muscles twitch, his heartbeat is irregular, and he feels nauseated. What is causing Xi to feel this way?
a. caffeine
b. insomnia
c. narcolepsy
d. sugar
Biology
1 answer:
AnnZ [28]3 years ago
4 0

Answer:

The correct answer is a. sugar

Explanation:

Even though caffeine is also known for uprising the energy levels to a point where it could cause insomnia, the excess of sugar usually causes an increase in heart rate and insomnia. Also, coca-cola has a bigger amount of sugar than caffeine, so it explains how these high quantities could affect Xi's health.

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mihalych1998 [28]
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3 0
3 years ago
The _____________ has the thickest wall of all the heart chambers as it pumps blood through the ________________ circulation. Wh
Sliva [168]

Answer:

A. Left ventricle; systemic

Explanation:

The ventricles are located on the posterior end of the heart beneath their corresponding atrium. The right ventricle helps to receives deoxygenated blood from the right atria and pumps it through the pulmonary vein and into pulmonary circulation, then transported  into for gas exchange via the lungs.

The left ventricle receives oxygenated blood from the left atria and pumps it through the aorta into systemic circulation in order to supply the tissues of the body with oxygen.

The walls of the ventricles are  the thickest  and strongest. This is because the amount of work on the left ventricles, which pump blood throughout the body and lungs, is much greater than the pressure generated by the atria to fill the ventricles.

3 0
3 years ago
What kind of growth involves roots and shoots but not reproductive structures and occurs in most plants?
defon
The appropriate response is Vegetative growth. It is the second stage in the life of a plant after it finishes germination and starts photosynthesis. Amid this stage, a plant will be photosynthesizing however much as could be expected to develop as fast as it can before the onset of the blooming stage.
5 0
3 years ago
What did the 1980 Mount Saint Helens volcanic eruptions teach environmental scientists?
Aleks [24]
The first one seems the most correct
6 0
4 years ago
Which is an advantage of using embryonic stem cells instead of adult stem cells to help a patient?
AURORKA [14]

Answer:

quicker recovery period for limitless injuries and surgeries

Explanation:

its correct

5 0
3 years ago
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