Assertion `:` A portal system start and ends with blood capillaries. Reason `:` A portal system collec blood from a organ or organs and distribute thi

Assertion `:` A portal system start and ends with blood capillaries. Reason `:` A portal system collec blood from a organ or organs and distribute thi
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Assertion `:` A portal system start and ends with blood capillaries. Reason `:` A portal system collec ... . D. If both Assertion & Reason are false.
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Which of the following blood vessels carry blood from the human body to the heart? A. Veins B. Arteries C. Capillaries D. None of these

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Which of the following blood vessels carry blood from the human body to the heart? A. Veins B. Arteries C. Capillaries D. None of these

Description : Which of the following blood vessels carry blood from the human body to the heart? A. Veins B. Arteries C. Capillaries D. None of these

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Which of the following blood vessels carry blood from the human body to the heart? A. Veins B. Arteries C. Capillaries D. None of these

Description : Which of the following blood vessels carry blood from the human body to the heart? A. Veins B. Arteries C. Capillaries D. None of these

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In high mountain regions bleeding through nose occurs because (a) The pressure of the blood capillaries is higher than the outside pressure (b) The pressure at high altitudes is greater than that in the plains (c) The blood pressure increases at high altitudes (d) The blood pressure decreases at high altitudes

Description : In high mountain regions bleeding through nose occurs because (a) The pressure of the blood capillaries is higher than the outside pressure (b) The pressure at high altitudes is greater than ... c) The blood pressure increases at high altitudes (d) The blood pressure decreases at high altitudes

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Which of the following structures present in mammalian skin directly helps in keeping the body warm? (1) Pigmented cells (2) Sweat glands (3) Lymph vessels (4) Blood capillaries

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Blood pressure is the pressure exerted by blood on the walls of – (1) Heart (2) Veins (3) Arteries (4) Capillaries

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Which of the following structures present in mammalian skin directly helps in keeping the body warm? (1) Pigmented cells (2) Sweat glands (3) Lymph vessels (4) Blood capillaries

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Why does bleeding occur through the nose in high mountainous regions? (1) The pressure of blood in capillaries is greater than the outside pressure (2) The pressure at high altitudes is greater than that on the plains (3) The blood pressure of a person increases at high altitudes (4) The blood pressure fluctuates and finally decreases drastically

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The following are true about micro-circulation: a. arterioles have no muscle b. capillaries have walls made up of a single layer of cells c. capillaries have no innervation d. the capillaries contain 5% of the total blood volume at any one time

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Last Answer : he capillaries contain 5% of the total blood volume at any one time