I think it’s respiratory but I’m not sure
Answer:
B. Sternum
Explanation:
The sternum (or breastbone) is a flat bone in the thorax's anterior area. It has a 'T' shape and is located in the center of the chest. The sternum, which is part of the bony thoracic wall, protects the internal thoracic viscera, such as the heart, lungs, and oesophagus.
Here is a picture from the internet.
population has effect resouses and have caused polution. on tiktok people make videos on vape tricks. then it becomes the trend and people start doing it to. this can waste resources affect our health from smoking and hurt the envoirments animals
i hope this helps ty
It is strengthened by data which is always contradictory.