A weightlifter is using heavy weights in short bursts for a competition. Because his muscle cells are not able to take in enough oxygen, the weightlifter begins to get fatigue in h... A weightlifter is using heavy weights in short bursts for a competition. Because his muscle cells are not able to take in enough oxygen, the weightlifter begins to get fatigue in his muscles. Which of the following processes is most likely going on in the muscles of the weightlifter as he competes in his event?
Understand the Problem
The question describes a scenario where a weightlifter's muscles fatigue due to insufficient oxygen intake during short bursts of heavy lifting. It asks to identify the most likely process occurring in the weightlifter's muscles under these conditions. The question is related to human biology and specifically how muscles generate energy when oxygen is limited.
Answer
Anaerobic respiration occurs, allowing the cells to make small amounts of ATP in the absence of oxygen.
The process most likely occurring in the weightlifter's muscles is anaerobic respiration. This allows the cells to produce small amounts of ATP without oxygen, leading to muscle fatigue.
Answer for screen readers
The process most likely occurring in the weightlifter's muscles is anaerobic respiration. This allows the cells to produce small amounts of ATP without oxygen, leading to muscle fatigue.
More Information
During intense exercise, the body may not be able to deliver oxygen to muscle cells quickly enough to maintain aerobic respiration. In this case, muscle cells can switch to anaerobic respiration to produce ATP, although it is less efficient and produces byproducts like lactic acid that contribute to muscle fatigue.
Tips
A common mistake is assuming that cells will continue to make the same amount of ATP regardless of oxygen availability. While cells can produce ATP without oxygen through anaerobic respiration, the amount of ATP produced is significantly less than with aerobic respiration.
Sources
- IB Biology Cellular respiration 11th - 12th Grade Quiz - Quizizz - quizizz.com
- A weightlifter is using heavy weights in short bursts for a competition ... - coursehero.com
- [PDF] To return to the EOC review page, do not close the window. Use the ... - escambiaschools.org
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