I’m pretty sure the answers are- Oxygen and glucose
The lower respiratory tract is sometimes referred to as the tracheobronchial tree, this describes the branching structure of airways supplying air to the lungs, this includes the trachea, bronchi and bronchioles.
The changes it made in forensic science by making it easier to prove if someone did or didn't do something and helps you identify someone if you cant figure out who it is
It uses unicellular cells.
