Question from the four answer choices provided.
2
Question 11
In a study of physical endurance, researchers observed significant increases in the heart rates and breathing rates
exercise.
Which statement best explains the increase in the heart rate and the breathing rate during exercise?
3
Answer
A
The water concentration in the blood increases.
B
Body cells require increased oxygen as energy is expended.
с
Muscle cells increase in temperature and require fluid to reduce the temperature.
D
An increase in muscle activity causes increases in glucose levels in red blood cells.
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Ответ:
B
Body cells require increased oxygen as energy is expended.
Ответ:
One mechanism is The plasma membrane, which contain plasma proteins embedded within and they help to allow large and specific molecules that the cell needs. Doing that, homeostasis is maintained which causes the cells in body tissues to function.