Which body system is MOST affected by a disease that causes the bones to become weak and brittle? A) excretory

B) muscular

C) skeletal

D) nervous

C

Explanation:

Osteogenesis imperfecta (OI), also known as brittle bone disease is a collection of genetic disorders that typically affect the bones. The term means imperfect bone formation. For people with this condition bones break easily, often from very light taps or with no reason at all.

C - Skeletal

Explanation:

the answer to your question is b