Answer:
Low immunity system, Muscle cramps, Lazy mentality of the idea of movement, Less physical movement could lead to illness's.
Step-by-step explanation:
All these have long explanations but here's a short conclusion.
Not exercising may lead to physical and mental destruction in a human body since our bodies and what is contained in them needs to move every now and then. The circulatory system needs to go faster sometimes in which the blood is pumped faster which leads to more blood spread throughout the body. Not exercising overall is a very bad life choice.