Maximum amount of oxygen is exchanged from the blood in the
capillaries surrounding tissue cells
capillaries surrounding the alveoli
left auricle of the heart
arteries of the body
Additional Questions
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During ventricular systole |
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Given below are four statements (a-d) regarding human blood circulatory system (a) Arteries are thick-walled and have narrow lumen as compared to veins (b) Angina is acute chest pain when the blood circulation to the brain is reduced (c) Persons with blood group AB can donate blood to any person with any blood group under ABO system (d) Calcium ions play a very important role in blood clotting Which two of the above statements are correct? |
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An artificial pace-maker is implanted subcutaneously and connected to the heart in patients |
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The following are the branches of dorsal aorta: I. Intercostal |
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Number of WBCs present in one mm3 of blood is |
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In a healthy adult man the normal diastolic pressure is |
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In which of the following disorders, blood has a defective hemoglobin? |
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Thromboplastin required for blood clotting at the place of injury is released by |
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In which one of the following pair the two items mean one and the same thing? |
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Lead concentration in blood is considered alarming if it is |
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