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What are 4 main difficulties that had to be solved with this evolution? How were they solved?
Define the term varices? Why are they much common in the inferior limbs?
Write down the major opportunistic diseases which can affect AIDS patients?
Describe the nature of stimulus received and transmitted by neurons?
What are the three major classes into which mammals are classified?
Are nematodes triploblastic or diploblastic animals?
What is the significance of proteins for the living beings?
Write the major types of animal tissue? Answer: The major animal cell tissues are: nervous tissue, epithelial tissue, muscle tissue and the connective tissue.
What is the energy source employed in active transport via biological membranes?
Define the cells which are responsible for the making of antibodies?
What is meant by the term acidosis and alkalosis?
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