Through education and real world experience like volunteer work
B Fitness workers provide instruction in aerobic exercise, strength training, and stretching.
Answer:
it would make the systems unbalanced, ruining the body. There are 10 systems
Circulatory
Respiratory
Nervous
Muscular
Skeletal
Digestive
Endocrine (hormones)
Lymphatic, or immune system
Reproductive
Integumentary (skin, hair)
if one becomes unbalanced or doesn't work the others cannot work, so i'm assuming a "self destruct"
hope this helps .-.
Explanation:
How badly the person is injured (how deep the cut or how bad the tear) and their body type.