Biology Answers

explain the role of diffusion and osmosis in the nervous system.

1. What is Soil profile?

2. State four importance of soil

3. Give four branches of soil.

12.  Diagram of structural features of the adipocytes of brown adipose tissue of the newborn children.

What cytoplasmic organelles and inclusions of the brown fat cells are well developed? 

10. Round cell of the connective tissue possessing special function. The central part of the cell contains one bid drop of neutral fat that presses the nucleus of the cell to the periphery, the cytoplasm of the cell contains poorly developed organelles

8. In the histologic specimen of connective tissue stained with hematoxylin-eosin one can see ramifying cells that are in contact with one another. In general the cells form a network structure the spaces of which contain cord of lymphocytes. One of the students said that that tissue is reticular tissue, another student said that it is bony tissue. Which of the answers is correct?

7. The process of hemopoiesis depends on surrounding tissues (inner environment). Cells of what tissue make up that inner environment?

6. Connective tissue, characterized by a relatively large number of densely spaced fibers, arrangement strictly ordered, and an insignificant amount of cellular elements and the main substance between them?

5. Papillary layer and reticular layer of the derm are characterized by different structural features. What tissues make up those layers?

4. There are two histologic specimens of fibrous connective tissue. The both histologic specimens are characterized by presence of numerous bundles of collagen fibres and small amount of ground substance. But in one of the histologic specimens the collagen fibres run in parallel way, and in the other histologic specimen the collagen fibres are irregularly arranged. What tissues are those?