HIV directly attacks CD4 helper lymphocytes directly. (D)
Answer:
Central posterolateral thalamus.
Explanation:
The third order neuron originates from Central posterolateral nuclei thalamus because it is the nucleus of thalamus because it receive impulses from the neospinothalamic tract and the medial lemniscus of the posterior column-medial lemniscus pathway i.e it received sensory information from the body, send it to the brain and then transfer the information to brodman.
Answer:
"Long, bitterly cold, dry winters and short, cool, damp summers define the boreal forest climate. The boreal forest is alive with activity. In the winter, their conical forms decrease snow buildup on branches, preventing them from breaking under the weight of the snow."
Explanation:
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Answer: Water as a universal solvent
Explanation:
Water is a universal solvent because of its property of dissolving a large number of molecules of different kind. The water at the biological level forms the major body weight of the organisms. It helps in supporting the cell metabolism and function. It is the main component of the liquid component of blood that is plasma. The water dissolved in it various vitamins, minerals, fibers, and other components of the food and helps in digestion of food in the body. Thus in human and animal body water plays an important role in circulation and digestion process.