Answer:
Compound
Explanation:
Different elements react to form a compound
Answer:
False
Explanation
The lungs are two in number and is the main organ for respiration in the body.
The thorax is also known as the chest. It has various parts attached to it such as the heart, lungs, thymus etc.
The mesothelial cells of the pleural membrane create pleural fluid which serves two purposes:
Lubrication
Attachment of the lungs to the thorax aren’t hereby done by the smooth muscles of the lungs.
If a fish wants to stay buoyant in the water, it will use its swim bladder. The swim bladder is an internal gas-filled organ that contributes to the ability of bony fish to stay buoyant in the water.
Faith xoxo
Answer:
The importance of natural forest ecosystems to human well-being can not be overstated. Forests provide raw materials for food, fuel, and shelter. In forests, ecosystem components such as micro-organisms, soils, and vegetative cover inter-act to purify air and water, regulate the climate and recycle nutrients and wastes. Without these and many other ecosystem goods and services, life, as we know, would not be possible.
Explanation: