The alveoli are lined with mucus and are surrounded by a network of blood capillaries. They have very thin walls for gases to be absorbed through. An individual air sac is called an alveolus. The layer of moisture in the alveoli allows gases to dissolve so that they can diffuse quickly.
Answer:
Theory is not definite, while Law is.
Explanation:
A Theory is an idea or set of ideas that has proven itself many times, but has certain loopholes that prevent absolute certainty. Meanwhile, a Law is a Theory without loopholes.
Areolar<span> Connective Tissue</span>
Location: Around blood vessels, nerves, and organs.
Function: Provides strength, elasticity, support and immune system protection.
Adipose<span> Connective Tissue (Fat)</span>
Function: Store energy, provide protection, and insulate.
Location: Around organs, subcutaneous layer(between skin and muscle)
Reticular<span> Connective Tissue</span>
Location: Around organs such as the liver, kidney, spleen, and lymph organs.
<span>Function: To support and hold together organs and adipose tissue (fat).</span>
Answer:
Invasive species are among the leading threats to native wildlife. Approximately 42 percent of threatened or endangered species are at risk due to invasive species.
In animals, a cleavage furrow begins to form between the soon-to-be sister cells. The lipid bilayer is pinched until the cells are finally separated. In plants, the cell walls are made up of cellulose, so they won't bend. Instead, a new wall is grown in between the the two new cells.
Hope this helps. :D