Photoplethysmography is used to track of heart rate during a workout
1.A
2.D
3.D
4.C
5.i thank it is D
hope these helps you
Answer:
The aorta is connected to the left side of the heart carry blood full of orygen to the rest of the body.
Explanation:
The ease of speaking during exercise. The theory is, if it’s harder to talk, then you’re activity doing exercise at a higher intensity level.
