Clubbing is a painless enlargement and flattening of the tips of fingers or toes caused by chronic hypoxia. Hypoxia is deficiency in the amount of oxygen reaching the tissues.
You might faint due to the lack of energy and nutrients that your body require to function
Answer:
The answer is age.
Explanation:
So for a 50-year-old, maximum heart rate is 220 minus 50, or 170 beats per minute.At a 50 percent exertion level, your target would be 50 percent of that maximum, or 85 beats per minute.
answer of the question given in figure
Preferences is the correct one I looked it up
