Answer:
Perception is the way you visualise and niew things; if you view things in a negative way then your stress levels could increase.
The heart begins very early in mesoderm within the trilaminar embryonic disc. The heart forms initially in the embryonic disc as a simple paired tube inside the forming pericardial cavity, which when the disc folds, gets carried into the correct anatomical position in the chest cavity.
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<span>The question is asking us the following: you have an important exam next week and are very worried about it. What should you do to ease the stress? Some ideas include: 1) you should do sports, as physical activity is known to help with stress because it helps to maintain the chemical balance and it increases our happiness 2) you should make sure you drink enought water and sleep as not doing so will make you feel even more stressed - your body will be more resistant to stress</span>
