The answer is Circulatory System. It is responsible for moving blood and oxygen around the body, etc. (Brainiest answer plz and thank you) Hope this helped!
A. Depressants because its used to treat depression and other pschylogical problems.
<span>the type 2 diabetes would be considered an : autoimune disease
autoimune disease are the type of diseaase that caused our cells to attack our own body. In order to deal with thism the scientist created some treatments that strengthen our immune system rather than controlling the amount of bloodsugar</span>
C. A 50% oxygen saturation level of blood returning to the lungs might indicate an activity level higher than normal.
