Short, fast sprint
Explanation:
During the short period of the fast sprint, the muscles are demanded to act really fast and are therefore exerted because there is little time for oxygen to diffuse into the tissue and satisfy the energy needs of the muscles. The energy demand is higher than the oxygen supply. Therefore cellular respiration of the cells of the tissue incline towards anaerobic respiration (glycolysis in the cytoplasm). This fast pace can't be sustained because glycolysis is an inefficient way of generating energy by cells. Pyruvate, the end product is converted into lactic acid. Accumulation of lactic acid causes muscle spasms.
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Answer:
It yields valuable advice about the product
Explanation:
a company creates value by satisfying customer needs
Answer:
A. virus because it requires a host cell to reproduce
Explanation:
This is probably a viral disease (and from an internet search, I can confirm that it is). A good way to understand this is that from the information given, we should infer that it's a viral disease: viruses are microscopic, infectious, and need a host cell. Protists and fungi just aren't good answers, because protists don't infect people usually, and fungi are not always microscopic.