Answer:
respiratory system
Explanation:
The bronchi become smaller the closer they get to the lung tissue and are then considered bronchioles. These passageways then evolve into tiny air sacs called alveoli, which is the site of oxygen and carbon dioxide exchange in the respiratory system.
Answer:
A sudden shortage of goods is called a shortage and happens for a variety of reasons in economics.
The plant with the root system is called the rootstock And the portion of the plant with the buds is called the scion
A contour interval is the lines on a topographic map that state the height (from sea level) of the hill, valley, mountain or the ground level.
