D is preferable.
Explanation:
The behavior response requires communication between cells and an organ system.
Answer:
It depends.
Explanation:
You shouldnt need a romantic relationship to be happy. But relationships with family can be nessesary. Everyone needs their family in life, whether they want them or not.
Answer:
it can lead to overeating, it can lead to unhealthful food choices , it can decrease appetite
Explanation:
stress can result in overeating (binge eating), unhealthy food choices (seeking comfort foods), and decrease in appetite (and lead possible eating disorders)
Maybe Tourette's for sudden twitching that is uncommon