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The diseases of the respiratory system can affect any part of the respi ratory tract and range from trivial to life-threatening. The nasal passages and pharynx are targets for the viruses membranes. The immune system fights back by increasi...
have the potential to carry out the life processes of nutrition, movement, growth, reproduction, respiration, sensitivity and excretion. The following characteristics are those that most biologists accept as being common to all living thin...
processes in humans. Animals are used to study the causes of disease, to test drugs, vaccines and surgical techniques. They have also been used to evaluate the safety of some chemicals used in pesticides, cosmetics and other products. Scien...
is the method by which contamination of the natural environment by continual chemicals, encompassing endocrine disrupters and other toxicants, directs to the accumulation of these chemicals by an whole ecosystem. For demonstration, aquatic ...
budget. Comment on the ethical implications of mitochondrial DNA analysis Outline the contribution of mitochondria to the cellular energy budget. Comment on the ethical implications of mitochondrial DNA analysis Introduction Why cells need ...
during which plants along with the energy from the sunlight, convert carbon dioxide into natural compounds. Plants produce their food by the process of photosynthesis. Basically, Photosynthesis occurs in two stages. These stages are called...
organs involved in the respiratory system are nose, larynx, trachea, bronchi, and lungs. Aerobic Respiratory System The body uses respiration to get energy from the food which is eaten. Aerobic respiration is the type of respiration which r...