Answer:
to avoid a general collapse of the system (eventually caused by the failure of the local organs)
Explanation:
An organ system can be defined as a group of organs that work together as a unit in order to perform a particular function. In an organ system, each organ has specific functions and is composed of different tissues that in turn have specialized tasks. Organ systems include, among others, the cardiovascular system, respiratory system, digestive system, urinary system, skeletal system, endocrine system, nervous system, etc.
A naturally occurring sold inorganic substance with a definite chemical composition and a crystal structure is a mineral.
Answer:
Protozoans can be parasitic. Malaria is the most significant of the protozoan parasites that infect humans. Malaria is found in tropical and sub-tropical regions of the world. In addition, tropical countries are often affected by poverty, poor sanitation, and inadequate medical facilities. These factors often increase the transmission of parasitic diseases.
Starting from the outer part:
•Tunica externa (fibrous layer)
•Tunica media (smooth muscle)
•Tunica intima (endothelial cells layer)
For the answer to the question above, the answer is simply a "Scientific Theory"
<span>it is a well-substantiated and well-presented explanation of the natural world, it is based on repeatedly confirmed through observation and experiment of the said phenomena. These are not the wild guess but reliable facts of the real world events.</span>