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s2008m [1.1K]
3 years ago
7

N a study of physical endurance, researchers observed significant increases in the heart rates and breathing rates of participan

ts immediately after they engaged in strenuous exercise.
Which statement best explains the increase in the heart rate and the breathing rate during exercise?


The water concentration in the blood increases.
The water concentration in the blood increases.

Body cells require increased oxygen as energy is expended.
Body cells require increased oxygen as energy is expended.

Muscle cells increase in temperature and require fluid to reduce the temperature.
Muscle cells increase in temperature and require fluid to reduce the temperature.

An increase in muscle activity causes increases in glucose levels in red blood cells.
Biology
1 answer:
Nina [5.8K]3 years ago
7 0

Answer: Its G

Explanation: i got it right on my test

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Answer:

Explanation below

Explanation:

It should be understood that the population growth rate of a particular country can be explained or described as the increase in the number of the citizens of that country.

There are so many factors that contribute to an increase in the number of people of a country. These include influx of people into the country, increase in birth rate and decrease in death or mortality rate.

In this case, the growth rate is usually calculated in percentage, so the growth rate should be around 3.5%.

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________ is (are. not important as a stimulus in the gastric phase of gastric secretion.
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4 years ago
How could a lake be considered a part
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it is becouse it a large water body

Explanation:

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3 0
2 years ago
During an experiment, readings for blood pressure in a person’s body were found to be constant. However, when measured by a diff
DENIUS [597]

Answer:

This difference indicates that the results are precise but not accurate .

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Precise results are those that are very close to the actual result, but do not achieve exactly the same result. In addition, this difference between the precise results is exactly the same. We have an example of this in the case shown in the figure above, where the blood pressure readings measured by the cuff differ by 15 points for each reading. This case also shows us that the results are not accurate, because this type of result is one that shows a result exactly the same as the real one.

7 0
3 years ago
A technique that uses measurement of radioactive isotopes to evaluate the activity of the brain is
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7 0
3 years ago
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