14. Describe how exercise helps us do two of the following four things: concentrate, sleep better, fight depression, and be enthusiastic and optimistic. (5 points)
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Exercise helps you improve your concentration and focus by increasing the brains chemicals which help you pay attention. This results in reducing distraction by putting aside tasks, such as emails and messages and other things. Exercise can help you sleep better as doing it regularly makes you feel less sleepy during the day and more at night. Regular excessive also improves the symptoms of insomnia and sleep apnoea and increases the amount of time you spend in the deep, restorative stages of sleep. Hope this helps! :)

1.)dr. natterson- horowitz came to realize that their isn't much of a difference between animals and humans. just like humans, animals can suffer from illnesses and diseases like breast cancer, self injury, anxiety, and many more. she also discovered how they even treated and performed surgical procedures on animals just as if the animal it self were human. the los angeles zoo called dr. natterson- horowitz because they knew that she was a doctor and that  she would be able to recognize what was wrong with the gorilla. they knew that humans and gorillas were similar, so instead of calling another veterinarian, they called a doctor.