Transporting oxygen and Nutrients throughout our body.
Answer:
If something happens to one friend you have another one that can help you. The more people you're with, the safrer you are.
Explanation:
This is false!
For example, let's take the situation in which you are stressed when you are not prepared for an exam and you have to take the exam. You can plan better your time and start preparing earlier or try to "stage" practice exams for yourself and the result will be less stress!
Answer:
Healthy fingernails are smooth, without pits or grooves. They're uniform in color and consistency and free of spots or discoloration. Sometimes fingernails develop harmless vertical ridges that run from the cuticle to the tip of the nail. Vertical ridges tend to become more prominent with age.
I would say C, schizophrenia,
because schizophrenia is "a mental disorder that in many ways centers around not recognizing what is part of reality – namely, having psychotic breakdowns." It is not related to anxiety, as anxiety is classified as "neurotic" while schizophrenia is classified as "psychotic".