Which statement is true?
A. The fissures are muscles that surround the lungs and facilitate breathing.
B. The bronchioles move oxygen into the bloodstream.
C. The pleural cavity keeps the lungs attached to the ribcage.
D. The lobules maximize the number of places where oxygen exchange can occur.

C. To be specific the parietal pleura is attached to the rib cage and the visceral pleura to the lungs.

Personality is a mixture of characteristics/qualities that form an individual's distinctive persona. it can be influenced by environmental and biological factors; one's culture is a most important factor that shape personality. extreme mood swings, unstable relationships, distorted self-image, impulsive/risky behavior, explosive anger, chronic feelings of sadness/emptiness, etc. these could indicate that someone could have a personality disorder.