Answer: The human circulatory system has a complex network of blood vessels that reach all parts of the body. This extensive network supplies the cells, tissues, and organs with oxygen and nutrients, and removes carbon dioxide and waste compounds.
Explanation:
The therapy for anxiety disorder is called as cognitive behavioral therapy and is used to treat various phobias, panic attacks, social anxiety etc. Cognitive therapy is the assessment of negative thoughts contributing to anxiety. Behavioral therapy is the observation of the reaction of the person towards these thoughts. Medications for the same includes serotonin reuptake inhibitors.