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name: u2d6: cellular respiration and exercise investigation cont. date:…

Question

name:
u2d6: cellular respiration and exercise investigation cont.
date: 10/10/2025 section: 2nd
experiment b:
you will be measuring how many steps you can walk in 30 - second intervals. each time you put a foot down (left or right) counts as a step.
walk around for 30 seconds continuously. count each step you take. record your total number of steps after 30 seconds.
as soon as you can, continue walking for another 30 seconds. record your steps and continue in 30 - second trials 3 more times (total of 5 trials equaling 150 seconds). try to record data quickly and make the trials as continuous as possible. record the steps for each 30 - second interval only - not a running total.
trial number time elapsed (seconds) number of steps
1 30 48
2 60 94
3 90 139
4 120 184
5 150 230
create a line graph using your data on the next page. then answer the following questions:

  1. what does the data in your graph tell you about the number of steps over time?
  2. how did you feel towards the end of the walking period? why?
  3. what do you think the graph would look like if you were to continue for another 5 trials (150 seconds)? for an hour?
  4. looking at your data, do you think this activity is aerobic or anaerobic? why?

Explanation:

Brief Explanations
  1. El gráfico mostraría un aumento en el número de pasos a medida que transcurre el tiempo, lo que indica una relación lineal positiva entre el tiempo y el número de pasos.
  2. Es probable que te sintieras cansado hacia el final debido a la fatiga física que se acumula con la actividad.
  3. Si se continuaran 5 pruebas más, el gráfico probablemente seguiría mostrando un aumento en el número de pasos. En una hora, es posible que el aumento fuera más lento debido a la fatiga.
  4. Esta actividad es aeróbica porque se realiza a un ritmo sostenible y requiere oxígeno para producir energía a largo plazo.

Answer:

  1. El número de pasos aumenta con el tiempo.
  2. Cansado, debido a la fatiga física acumulada.
  3. Seguiría aumentando en 5 pruebas más, en una hora el aumento sería más lento por la fatiga.
  4. Aeróbica, ya que es una actividad sostenible que requiere oxígeno.