Answer:
if anaerobic activity takes place over a long period of time the muscles soon become exhausted
Answer:
provide protection against pathogens
Explanation:
Answer:B.
It was used to prove that smoking causes health problems.
Explanation:
The answer to this question would be: <span>by converting glucose to glycogen.
Brain cells only able to use energy from glucose, so if the body glucose level is too low the brain cells can't work as it doesn't get any energy/food. When glucose level is decreased, the liver will start to convert glycogen into glucose to keep the glucose level.</span>
