Answer: The integumentary system helps the immune system by The skin acts as a barrier to keep out pathogens (B)
Explanation:
The human body cells have 46 chromosomes because they inherit 23 from both parents.
Answer:
Psychological Dependence
Explanation: Psychological Dependence is a term used in psychology to describe a persons emotional response to a motivation or mental process or activity. Most psychoactive substance like CAFFEINE,HEROINE etc have been found to influence the development of Psychological dependence. It is known that all psychological or emotional actions or behaviors have a linked physiological background and complicated behavior are accompanied by a corresponding psychological action