Answer: To maintain Cellular respiration
Explanation:
The body must take in oxygen so that the blood cells can absorb it. This allows the blood cell to release CO2. Therefore, Inhaling oxygen is necessity for maintaining cellular respiration.
number of subjects, age and sex of the subject, and length of the study... Just took the quiz(:
Anatomist: analyse the structures within the heart champers.
Physiologist: monitor heart rate
Green plants, mice, snake, and hawk.
