I’m pretty sure it is C. Tricep Extension
Answer:
Pumping enough blood to deliver things throughout the body such as oxygen and nutrients
Explanation:
Hope this helps-
Dementia and Delirium are two somewhat broad biological phenomenon that are biological causes of mental illness. These interfere with biological processes with the brain. If we wish to be more specific, Cancers, Alzheimer and Parkinson's Disease can affect the brain by pressing on important aspects (Brain Cancer's) and/or cause progressive degeneration (Alzheimer and Parkinson's)