I would say the answer is C. Hope I helped ^-^
Explanation:
The most common causes of spinal cord injuries are Motor vehicle accidents.
Syphilis
If you look it up there is more information about the disease.
Answer - Blood Flow
Reasoning - Insulin is used through out and mainly in the blood stream which relies it to stabilize through out the flow of the body
Health care in the future will change rapidly. People will be demanding medicine that cannot be made and more viruses or illnesses will come into play. Many people will suffer and scientists will put health care on the top priority list to save the people.
I hope I helped!