The body's nonspecific defiance against invading pathogens is known as innate immunity and includes the following:
mechanical barriers and surface secretions
1. The intact skin and mucous membranes of the body. These provide a high degree of protection against pathogens.
2. The sebaceous secretions and sweat of the skin contain bactericidal and fungicidal fatty acids that can kill bacteria and fungi.
3. Normal bacterial flora of the skin may produce various antimicrobial substances such as bacteriocines and acids.
Humoral defence mechanisms
1. Lysozyme. This is an enzyme found in most tissue fluids apart from cerebrospinal fluid, urine, and sweat. It can kill bacteria.
2. Interferon. Inhibits viruses from replicating
3. Complement. This is a heat labile serum that can destroy gram-negative bacteria.
metabolism is (A) both catabolism and anabolism. Anabolism and Catabolism are two metabolic processes, or phrases.
catabolism is (B) reaction that breaks a larger molecules into smaller ones.
anabolism is (C) reaction that combines smaller molecules to make a large molecule.
The purpose for the strong scent is to attract insects such as bees and butterfly's to help pollinate the flower.
Answer: White Oak
White oak comprises 15% of the commercially available hardwoods in the US. It is a used for structural timbers, flooring, and furniture because<span> of its length (rees average approximately 70 to 80 feet in height), color (White with creamy sapwood and dark gray-brown heartwood) and texture (very strong and hard, and with good steam bending properties). It takes a good finish when machined, nailed and screwed well. </span>
