Biology Respiration in Organisms Part 15 (Extra Workouts Energy) Class 7 VII

TL;DR

Extra energy during workouts is obtained through anaerobic respiration, where glucose breaks down into lactic acid and energy in the muscle cells.

Transcript

hello friends this video on respiration in organisms part 15 is brought to you by example.com no more fear from exam now the next question is how is the extra energy provided during workout so okay i got it that when we i am doing some physical activity i am doing some workout that time my body needs more oxygen so i am breathing fast but my i need... Read More

Key Insights

• 💪 Extra energy during workouts is obtained through anaerobic respiration in muscle cells.
• ⛔ Anaerobic respiration is necessary when oxygen supply is limited during intense physical activity.
• 💪 Lactic acid accumulates in muscle cells during anaerobic respiration, leading to muscle cramps.

Questions & Answers

Q: How is extra energy provided during workouts?

Extra energy during workouts is provided through anaerobic respiration, where glucose is partially broken down into lactic acid and energy in the muscle cells.

Q: Why is breathing faster not enough to produce the required energy during intense workouts?

Breathing faster increases oxygen intake, but there is a limitation to the supply of oxygen to the body. Consequently, anaerobic respiration occurs in muscle cells to partially break down glucose and produce lactic acid and energy.

Q: What happens to the lactic acid produced during anaerobic respiration?

Lactic acid accumulates in the muscle cells, leading to muscle cramps and discomfort. However, it can be broken down completely in the presence of oxygen, which is facilitated by improved blood circulation achieved through hot water baths.

Q: How does a hot water bath help with muscle cramps?

When the affected area is immersed in hot water, it relaxes tensed muscles and enhances blood circulation. This increase in blood circulation improves the supply of oxygen, enabling the breakdown of lactic acid into carbon dioxide and water, providing relief from muscle cramps.

Summary & Key Takeaways

• During physical activity, the body needs more oxygen for energy.

• Breathing in oxygen allows for the breakdown of food and the release of energy.

• However, during intense workouts, the supply of oxygen is limited, leading to the use of anaerobic respiration in muscle cells.