Maharashtra Class 8 Answered
Please explain me the functional correlation of circulatory system with respiratory system , digestive system and excretory system .
Asked by urmilaranes | 03 Apr, 2023, 10:33: PM
Expert Answer
The circulatory system acts as a medium, which helps in the transport of respiratory gases, nutrients obtained from the digestion of food like glucose, amino acids, lipids, vitamins etc. and it also helps in the removal of waste material from different parts of the body.
- The digested food contains important nutrients, which are absorbed through blood or lymph. The blood supplies these different nutrients to all parts and organs of the body where the cells of each system take up these nutrients according to their requirement.
- The respiratory system helps in the inhalation of oxygen and exhalation of carbon dioxide from the body. The inhaled oxygen is absorbed from the lungs with the help of haemoglobin. It binds four molecules of oxygen and transports them to different tissues and cells of the body for cellular respiration and energy production.
- The nutrients are metabolised in the cells. They are converted into other substances and some of these are waste materials, which needs to be removed or excreted out of the body like carbon dioxide, ammonia, urea etc. These waste materials are transported from tissues and body cells to their respective excretory organs through blood. For example, carbon dioxide is transported to the lungs from where it moves out of the body with exhaled air. Ammonia is converted into urea and urea is transported to kidneys through blood where it is filtered out from the blood and passed out of the body as urine.
Answered by Sheetal Kolte | 05 Apr, 2023, 12:20: PM
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