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ICSE Class 8 Answered

differentitate 1)blood and lymph 2)systole and diastole
Asked by nathsantanukumar | 03 May, 2018, 09:27: AM
answered-by-expert Expert Answer
1. The blood throughout our body is pumped by the heart. However, the lymphatic system does not have any such system.
2. Blood flows through our veins and carries oxygen to all parts of the body. The lymphatic system in fact removes the waste and other products that are released in the tissues.
 
1.Systole is the stage when the ventricles of heart are contracting resulting in blood being pumped out to the lungs and the rest of the body but diastole is the stage when the ventricles of the heart are relaxed and not contracting. During this stage, the atria are filled with blood and pump blood into the ventricles.
 
2. In systole, pressure rises in both ventricles, causing the bicuspid and tricuspid valves to close. Therefore, blood is forced up the aorta and the pulmonary artery. But in diastole, pressure in both ventricles falls low enough for bicuspid valves to open.
Answered by Sivanand Patnaik | 05 May, 2018, 12:37: PM

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