Answer:
The answer is A: first class lever
Diseases, mainly autoimmune, depression, anxiety, a sickness such as a cold or fever, or even just a lack of motivation not linked to depression can be reasons people decrease their physical activity level.
Exercise is a good way to improve your mood if your upset or depressed
the thoracic region encompassing the chest. the mammary region encompassing each breast. the sternal region encompassing the sternum. the abdominal region encompassing the stomach area. the umbilicus, or naval, is located at the center of the abdomen.
