Factors Affecting Heart Rate and Respiratory Rate (VCE SSCE Biology): Quizzes
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Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is homeostasis?
What is homeostasis?
Maintenance of stable internal environment
What do muscle cells carry out more of during exercise?
What do muscle cells carry out more of during exercise?
Cellular respiration
What happens to oxygen usage by cells during exercise?
What happens to oxygen usage by cells during exercise?
Cells use more oxygen than usual
If you count 18 pulse beats in 15 seconds, what is the heart rate per minute?
If you count 18 pulse beats in 15 seconds, what is the heart rate per minute?
72 beats per minute
Which are products of aerobic cellular respiration?
Which are products of aerobic cellular respiration?
Carbon dioxide, water, and ATP
Why does heart rate increase during exercise?
Why does heart rate increase during exercise?
To deliver more oxygenated blood to cells
What is the independent variable in the exercise investigation?
What is the independent variable in the exercise investigation?
Type and intensity of exercise
What is a negative feedback loop?
What is a negative feedback loop?
Body detects change, counteracts it, stops
How does high-intensity exercise compare to low-intensity exercise?
How does high-intensity exercise compare to low-intensity exercise?
Causes greater increases in heart rate
Why does skin flush during exercise?
Why does skin flush during exercise?
Blood vessels near skin dilate to release heat