Answer:
not 100%sure but I think it's option A.
Trachea Windpipe know as trachea
Answer:
The answer would be 4. just yourself
Explanation:
If you only have yourself for support then theres no system in place
Answer:
Whereas a pathological fracture can arise from a single minor trauma to an abnormal bone, a stress fracture is the result of repeated low impact trauma to a normal bone.
