Blood, its structure and functions? The structure of the respiratory organs in vertebrates and humans?

Blood, its structure and functions? The structure of the respiratory organs in vertebrates and humans? The importance of respiration for the life of organisms? Organic substances, their structure and function? Metabolism and energy in a cell, a peculiarity of metabolism in a plant cell?

Blood consists of plasma and corpuscles. Form elements include erythrocytes, which are carriers of oxygen and carbon dioxide molecules. Also, these elements include leukocytes. They have a protective function. Blood clots are capable of creating blood clots that protect the body from bleeding when injured.

Breathing is important for the body, since when breathing is carried out, the cells of the body can receive the oxygen they need, and also get rid of carbon dioxide, which is released during the course of various vital processes of cells.



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