The system protects the internall organs from harmful bacteria, sunlight, and injury.

digestive
or
integumentary
or
circulatory

What are possible signs and symptoms of drug addiction? check all that apply. declining physical appearance and health failing to meet family, school, or work obligations needing less and less of a drug to get the same effect using drugs when there is no health benefit failing in attempts to stop using a drug stealing to get drugs

Blank is a disease in which the body is unable to make eunough of the hormone insulin to breakdown sugar into energy

What else happens in your cardiovascular system in response to your sympathetic nervous system? why might your blood vessels need to expand to accommodate this?