The 3 types of scientific investigation are correlative,comparative, and descriptive
The answer in the space provided is seizure. The likely symptoms of it is mentioned above such as the blank stare, period of distorted sensations and uncontrollable muscular contractions. Seizure mostly occur when there is likely a sudden attack of an illness to a person, triggering him or her into a shock which is the seizures.
So they respond by releasing hormones that stimulate the body to retain sodium and water. Blood vessels fill with additional fluid, and blood pressure goes up. The narrowing in one or both renal arteries is most often caused by atherosclerosis, or hardening of the arteries.