subject
Biology, 19.11.2020 20:30 Ariellyvz9103

Amy designed an experiment to test how exercise affects adult men. The resting heart and respiratory rates were measured in fifty men between the ages of 25-55. Once a baseline was established, the men were asked to run on the treadmill for five minutes. The breathing rate and heart rate were recorded every thirty seconds. A graph of her results is below.

What can be inferred from the results of Amy's experiment?
A.
There is no apparent relationship between exercise and heart rate.
B.
There is no apparent relationship between heart rate and respiratory rate.
C.
An increase in heart rate correlates with a decrease in respiratory rate.
D.
There is a positive correlation between heart rate and respiratory rate.

ansver
Answers: 1

Another question on Biology

question
Biology, 22.06.2019 00:50
Select the situation bellow that would produce a total displacement of zero. a. a trip to the moon and then to mars b. a horse galloping from one end of a field to another c. the criss-crossing path of a bug as it flies from flower to flower d.a round-trip ride to school and back
Answers: 2
question
Biology, 22.06.2019 02:30
What were the main components of earth’s earliest atmosphere? oxygen and ammonia hydrogen and helium oxygen and nitrogen hydrogen and nitrogen
Answers: 1
question
Biology, 22.06.2019 18:30
Fungi exist as single cells or as branching networks of multicellular filaments. how does the structure of filaments relate to their function
Answers: 2
question
Biology, 23.06.2019 00:30
What best explains the relationship between photosynthesis and cellular respiration?
Answers: 1
You know the right answer?
Amy designed an experiment to test how exercise affects adult men. The resting heart and respiratory...
Questions
question
Mathematics, 24.01.2020 04:31
question
Mathematics, 24.01.2020 04:31
question
Mathematics, 24.01.2020 04:31
question
Mathematics, 24.01.2020 04:31
Questions on the website: 13722360