Lake Superior is largest lake by surface area at 82,103 square kilometers, and Lake Huron at 59,570 sq km is second largest lake in the country. The below ranked lakes are including Man-made and salt water which also mentioned for the particular lakes in the list.
An alveolus is a tiny air sac formed at the tip of the lungs' smallest airways, the bronchioles. The primary function of the alveoli is the exchange of carbon dioxide for oxygen.Tissues within the alveoli also carry out secondary functions, such as the production of hormones, enzymes, and pulmonary surfactant.he exchange of carbon dioxide for oxygen is the primary function of the alveoli. The capillaries of the alveolus branch from both the pulmonary artery and the pulmonary vein.
A vacuole stores water, food, and enzymes, and collects unwanted waste. A vacuole is a sac â¦ used to store water for the cell. Plant cells have a large vacuole. Animal cells have small vacuoles, if they have one at all. A vacuole maintains the acidic internal pH and also the turgor and hydrostatic pressure in the cells.acuoles are water-filled storage spaces found in cells. They are found in both animal and plant cells (but they are more common in plant cells they are also bigger in plant cells).