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Questions and Answers
In which organisms does anaerobic respiration produce ethanol and carbon dioxide as end products?
In which organisms does anaerobic respiration produce ethanol and carbon dioxide as end products?
- Animal muscle tissue
- Plants like yeast (correct)
- Human beings
- Lion, tiger, cheetah, and deer
What is the end product of anaerobic respiration in animal muscle tissue?
What is the end product of anaerobic respiration in animal muscle tissue?
- Carbon dioxide and water
- Lactic acid (correct)
- Glucose and oxygen
- Ethanol and carbon dioxide
What is the main difference between aerobic and anaerobic respiration?
What is the main difference between aerobic and anaerobic respiration?
- The end products of respiration
- The type of energy produced
- The presence or absence of oxygen (correct)
- The location of respiration
Why do animals like lion, tiger, cheetah, and deer get leg cramps when they run very fast?
Why do animals like lion, tiger, cheetah, and deer get leg cramps when they run very fast?
What is the similarity between aerobic and anaerobic respiration?
What is the similarity between aerobic and anaerobic respiration?
What is the byproduct of anaerobic respiration in muscles that leads to muscle cramps?
What is the byproduct of anaerobic respiration in muscles that leads to muscle cramps?
Why do muscles respire anaerobically during vigorous physical activity?
Why do muscles respire anaerobically during vigorous physical activity?
What provides relief from muscle cramps caused by heavy exercise?
What provides relief from muscle cramps caused by heavy exercise?
What is the purpose of aerobic respiration in muscles during heavy physical activity?
What is the purpose of aerobic respiration in muscles during heavy physical activity?
Why does lactic acid accumulate in muscles during anaerobic respiration?
Why does lactic acid accumulate in muscles during anaerobic respiration?
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Study Notes
Muscle Cramps and Anaerobic Respiration
- During vigorous physical activity, muscles produce energy through aerobic respiration, but anaerobic respiration provides extra energy needed for heavy physical activity.
- Anaerobic respiration in muscles breaks down glucose to form lactic acid, which accumulates in muscles and causes muscle cramps.
- Muscle cramps occur due to the accumulation of lactic acid in muscles when they respire anaerobically without oxygen.
Relieving Muscle Cramps
- Taking a hot water bath or a massage can relieve muscle cramps caused by heavy exercise.
- Hot water bath or massage improves blood circulation in muscles, increasing oxygen supply to muscles.
- Oxygen breaks down lactic acid accumulated in muscles into carbon dioxide and water, providing relief from cramps.
Anaerobic Respiration in Animals
- Anaerobic respiration occurs in muscles of other animals, such as lion, tiger, cheetah, and deer, when they run very fast.
- These animals can also get leg cramps due to the accumulation of lactic acid in leg muscles.
Difference between Aerobic and Anaerobic Respiration
- Aerobic respiration occurs in the presence of oxygen, while anaerobic respiration occurs in the absence of oxygen.
- Aerobic respiration produces a complete breakdown of food, while anaerobic respiration results in a partial breakdown of food.
- End products of aerobic respiration are carbon dioxide and water, while anaerobic respiration produces ethanol and carbon dioxide (in yeast plants) or lactic acid (in animal muscles).
- Aerobic respiration produces a considerable amount of energy, while anaerobic respiration produces much less energy.
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