Mental illness itself occurs from the interaction of multiple genes and other factors -- such as stress, abuse, or a traumatic event -- which can influence, or trigger, an illness in a person who has an inherited susceptibility to it.
Answer:
A. Red And White Blood Cells
C. Platelets
D. Plasma
Explanation:
The heart is not a component of the blood but it does pump it. All others options ( R&W Blood Cells, Platelets, & Plasma) are all found inside the blood.
I believe your arm would be extending, most likely away from your body.