Blood lactate is a biochemical by-product produced during high-intensity exercise due to insufficient oxygen intake. Commercially available drinks advertised as oxygen supplements claim to increase exercise performance and decrease the post-exercise recovery period by decreasing the accumulation and accelerating the removal of blood lactate.To test this claim, researchers conducted a controlled experiment to compare the concentration of blood lactate during exercise and during recovery between two participant groups, one that ingested oxygen-supplemented water and another that ingested regular water.**Graph A: Exercise**- The y-axis represents blood lactate concentration (mmol/L).- The x-axis is divided into three time points: start, middle, and finish.- Two lines compare the concentration of blood lactate for those who drank oxygen-supplemented water (solid line) versus regular water (dashed line).- The graph shows blood lactate levels increasing in both groups, with the oxygen-supplemented water group having slightly lower levels throughout the session.**Graph B: Recovery**- The y-axis again represents blood lactate concentration (mmol/L).- The x-axis is time in minutes, ranging from 0 to 30 minutes.- Two lines compare post-exercise recovery blood lactate concentrations for the oxygen-supplemented (solid line) versus regular water groups (dashed line).- Blood lactate levels decrease over time in both groups, with the oxygen-supplemented group showing a slightly faster decline.The mean blood lactate concentration during exercise (left) and recovery (right)**Which of the following identifies the dependent variable in this experiment?**A. The concentration of blood lactate B. The duration of the recovery period C. The ingestion of oxygen-supplemented water D. The intensity of the exercise The dependent variable in this experiment is the concentration of blood lactate (Option A).

Answered: Which of the following identifies the…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

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Blood lactate is a biochemical by-product produced during high-intensity exercise due to insufficient oxygen intake. Commercially available drinks advertised as oxygen supplements claim to increase exercise performance and decrease the post-exercise recovery period by decreasing the accumulation and accelerating the removal of blood lactate.

To test this claim, researchers conducted a controlled experiment to compare the concentration of blood lactate during exercise and during recovery between two participant groups, one that ingested oxygen-supplemented water and another that ingested regular water.

**Graph A: Exercise**

- The y-axis represents blood lactate concentration (mmol/L).
- The x-axis is divided into three time points: start, middle, and finish.
- Two lines compare the concentration of blood lactate for those who drank oxygen-supplemented water (solid line) versus regular water (dashed line).
- The graph shows blood lactate levels increasing in both groups, with the oxygen-supplemented water group having slightly lower levels throughout the session.

**Graph B: Recovery**

- The y-axis again represents blood lactate concentration (mmol/L).
- The x-axis is time in minutes, ranging from 0 to 30 minutes.
- Two lines compare post-exercise recovery blood lactate concentrations for the oxygen-supplemented (solid line) versus regular water groups (dashed line).
- Blood lactate levels decrease over time in both groups, with the oxygen-supplemented group showing a slightly faster decline.

The mean blood lactate concentration during exercise (left) and recovery (right)

**Which of the following identifies the dependent variable in this experiment?**

A. The concentration of blood lactate
B. The duration of the recovery period
C. The ingestion of oxygen-supplemented water
D. The intensity of the exercise

The dependent variable in this experiment is the concentration of blood lactate (Option A).

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INTRODUCTION :

During any exercise or physical workout, lactate will be a byproduct formed when there is less oxygen intake or availability during the exercise time. If some one increases their oxygen respiratory intake and supply all over the body to all muscles and cells, the lactate conc. can be limited and controlled.

This input and output of oxygen supply to the body during exercise can be increased by many ways, ex- oxygen added water supplements, increasing cardiovascular and breathing capacity, and further increasing a very good amount of oxygen intake and its distribution all over the body.

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