biology. help???

[sexiielizabethtran]

When using oxygen, cells are said to function _____. Cells making ATP this way capture about _____ of the energy in glucose. For short bursts, cells can make ATP _____ -- that is, without using oxygen. This process is much less efficient; it only banks about _____% of the energy in glucose. But it is useful duirng intense bursts of activity, such as sprinting or heavy lifting.

Muscles contain a mixture of two kinds of cells, or fibers, specialized either for aerobic or anaerobic ATP production. _____ fibers can sustain repeated, long contractions, by continuously producing ATP via _____ cellular respiration. Slow fibers are long and _____, maximizing their surface area and contact with nearby _____ that deliver oxygen. They have many _____, the structures where areobic ATP breakdown occurs. And they are rich in _____, a red protein related to hemoglobin that supplies O2 molecules.

10points!