Answer: Some mammals live in water all have hair or fur.
Explanation:
It is known as stimulus or the plural form stimuli. It can be external or internal.
Brain imaging studies of the Big Five personality traits have found that EXTRAVERSION is associated ............................ Personality psychologists put forward the theory that every human being falls into one of the five basic categories of personality trait. These five traits are called the big five and they are: extraversion, agreeableness, openness, conscientiousness and neuroticism.
Answer:
Autoimmune theory
Explanation:
Alzheimer's disease is the most common type of neurocognitive disorder, which usually occurs after the age of sixty-five and is characterized mainly by memory impairment.
The autoimmune theory suggests that <u>the immune system is prearranged so that it becomes unable to identify the body's proteins from foreign ones</u>. As a result, the immune system attacks its own cells.