It is not necessary to cool down after exercising. true false

I'd say that this statement is False. The reason why i think this is by cooling down, your heart won't race as fast and it also will help you unwind after a workout.

i think she would gain 18 grams

exposure to hazardous carcinogens and toxic substances can cause breathing problems, such as copd and various types of cancer. it also increases the risk of heart attacks and strokes and has serious (but no less unattractive) side effects, such as aging, yellow teeth, a terrible smell and damage to the vocal cords.