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MODULE - 2 Circulation of Body Fluids Forms and Function of Plants and Animals 15 Notes CIRCULATION OF BODY FLUIDS The body of almost all the animals, has some form of fluid circulating in the body. Such fluids constitute the distributing system (to supply substances) as well as collecting system (to pick up substances) from the various parts of the body (including the remotest cell). What are these fluids? How are these circulated and in what way do they function in our body? These and many more questions will be answered in this lesson. OBJECTIVES After studying this lesson, you will be able to : explain the importance of the circulatory system in human body; differentiate between open and closed system of circulation; list and draw the organs of circulatory system of cockroach; list and draw the organs of circulatory system in humans describe the histology, functions and composition of blood in humans compare the structure and functions of an artery, a vein and a capillary; explain the process of blood coagulation in humans mention blood groups and describe blood transfusion; explain blood pressure; describe lymphatic system and mention its components; define immunity and describe its different types; explain various immuno-deficiency disorders; name and describe some blood related disorders such as hypertension; atheroma and arteriosclerosis; explain ECG and role of pacemaker in treating heart beat-related disorders. BIOLOGY 315
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