1. C 2. Not sure yet 3. B 4. A 5. A 6. B 7. A 8. C 9. Oxygen
Bicycling is not considered a low-intensity cardiovascular activity. Thus, the correct option is B.
Weight machines in the gym are not used for cardiovascular fitness.
When a person is making cardiovascular gains through aerobic activity, they are increasing the amount of oxygen to the heart and lungs.
Cardiovascular activities may be defined as those physical activities that significantly increase heart rate and respiration as well as raise oxygen and blood flow throughout the body.
Physical activities like walking, jogging, cycling, swimming, etc. are referred to as aerobic activities. While sports of high intensity like basketball, soccer, hockey, etc. improve your cardiovascular fitness.
Bicycling is also sometimes classified under high-intensity cardiovascular exercise. When a person consistently performs cardiovascular fitness activities, the amount of oxygen significantly increases in the portion of the heart and lungs.
Therefore, it is well described above.
To learn more about Cardiovascular fitness, refer to the link:
https://brainly.com/question/11176067
#SPJ2
