To set your intensity level, you need to use your maximum heart rate, which is determined by subtracting age from 220.
Osuicide and depression are really serious! its not something to joke about! I hope that helped? I don't think they let you choose 2 so I guess chose depression because they lead to suicide of urself or others
The best answer for the blood vessels' valves would be these are veins that would then help in preventing the back flow of blood because the walls have small muscle to pump the blood back to the heart.Hope this is the answer.
Answer:
an disease caused by the lack of some essential or important element in the diet, usually a particular vitamin or mineral.
