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The increase in an athlete’s heart rate and breathing rate during a race involves: A - Scottish Highers Human Biology - Question 18 - 2022
Question 18
The increase in an athlete’s heart rate and breathing rate during a race involves: A. sympathetic neurons of the autonomic nervous system B. parasympathetic neurons... show full transcript
Worked Solution & Example Answer:The increase in an athlete’s heart rate and breathing rate during a race involves: A - Scottish Highers Human Biology - Question 18 - 2022
Step 1
Identify the correct answer choice
Answer
The correct answer is A. sympathetic neurons of the autonomic nervous system. During physical activity such as a race, the sympathetic nervous system activates the body’s 'fight or flight' response, which increases heart rate and breathing rate to supply more oxygen to the muscles.