Answer:
Life is the journey of living. We live, we lead our lives and we die. In doing so, we try to give shape to our lives. Life is not the same for everyone. Some people face a lot of difficulty with life while some don’t. Those who do not face any difficulty in life look at it in one way. Those who suffer in life look at it in another way. Life is often said to be precious. That all the more is evident through the various ways in which people try to save lives.
Explanation:
A calories because calories is what causes wight gain
Natural emergency: something that occurs naturally
manmade: something caused by a person (ex.shooting)
A mistake could be the fact that exercise over time lowers your resting HR. so even though for the period of time that you are exercising your heart is beating more, the rest of the time your heart will be beating less, therefore "using less of your heart beats"