Measure your heart rate before, during and after work outs and write it down. Monitors can be worn as a strap across the chest, on the wrist and even on the head, and by measuring your heart rate can help you exercise at the right intensity. Most don't have a display, so you'll need to connect your monitor with a sports watch or smartphone app to see your heart rate.
Answer:
because otherwise people would take u as an idiot, or they would always manipulate u, although one shouldn't be too assertive or assertive 24/7, assertiveness is something that should be used to defend urself or something
Explanation:
decrease stress is all of the above
The part is the right side
but the organ is pulmonary veins
