16 Questions
Why does running make a person breathe faster?
To get more oxygen from the air
What is the main purpose of respiration?
To release stored energy
Why do living organisms respire?
To release stored energy from food
What do cells need energy for?
To perform cellular functions
Why do we need to eat regularly?
To release stored energy from food
What is the main component of air that we breathe in?
Oxygen
What is the process of breakdown of food in the cell with the release of energy called?
Cellular respiration
When breakdown of glucose occurs with the use of oxygen, it is called:
Aerobic respiration
Which organisms can survive in the absence of air and get energy through anaerobic respiration?
Yeast
What do muscle cells produce when they respire anaerobically due to a temporary deficiency of oxygen?
Lactic acid
Why do muscle cramps occur after heavy exercise when muscle cells respire anaerobically?
Accumulation of lactic acid
What happens after a hot water bath or massage that relieves muscle cramps caused by anaerobic respiration?
Increase in oxygen supply to muscle cells
Which process involves breaking down glucose into alcohol, carbon dioxide, and energy without using oxygen?
Anaerobic respiration
Why are yeast used in making wine and beer?
To respire anaerobically and yield alcohol
What causes muscle cramps after heavy exercise when muscle cells respire anaerobically?
Increased production of lactic acid
What do yeast produce during anaerobic respiration?
Alcohol
Test your knowledge on why running makes a person breathe faster. Explore the relationship between physical activity and the respiratory system in this quiz based on a story from 10th class Science textbook.
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