B makes the most sense to me so I would go with that
Unintentional Injury with an average of 12,341 people a year
Answer:
The thoracic cavity
Explanation:
The thoracic cavity is the anterior ventral body cavity found within the rib cage in the torso. It houses the primary organs of the cardiovascular and respiratory systems, such as the heart and lungs, but also includes organs from other systems, such as the esophagus and the thymus gland.
I would say hair, since puberty is when young teens start shaving their armpit and leg hair.
