The best way to prevent a electrical shock is to test the circuits once in a while
The answer is both a and b.
Answer: Osteoporosis Paget's disease Muscular dystrophy
Explanation: In osteoporosis, bone tissue begins to wear and thin, causing weak and breakable bones.
In Paget’s disease, the bones grow larger than normal, thereby becoming weak and brittle.
Muscular dystrophy is a group of diseases in which muscles waste away, causing extreme weakness and sometimes immobility.