In the human being, lungs are for respiration, glands for secretion, liver for synthesis, and
blood for distribution of substances. Name the counterparts in the cell which are the cell
organelles responsible for the same functions.
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Answer:
Answer:
Animals are complex multicellular organisms that require a mechanism for transporting nutrients throughout their bodies and removing wastes. The human circulatory system has a complex network of blood vessels that reach all parts of the body. This extensive network supplies the cells, tissues, and organs with oxygen and nutrients, and removes carbon dioxide and waste compounds.
The medium for transport of gases and other molecules is the blood, which continually circulates through the system. Pressure differences within the system cause the movement of the blood and are created by the pumping of the heart.
Gas exchange between tissues and the blood is an essential function of the circulatory system. In humans, other mammals, and birds, blood absorbs oxygen and releases carbon dioxide in the lungs. Thus the circulatory and respiratory system, whose function is to obtain oxygen and discharge carbon dioxide, work in tandem.
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Brief Summary on Cell Organelles
Cell OrganellesStructureFunctionsPeroxisomeA membrane-bound cellular organelle present in the cytoplasm, which contains the reducing enzyme.Involved in the metabolism of lipids and catabolism of long-chain fatty acids