Olympiad Class-7 Science Set-6
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The fluid part of the blood is called
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The Arteries have thick elastic walls because
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The number of heartbeats per minute is called
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Which of the following is NOT a part of the respiratory system?
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____________failure can be treated by the method of Dialysis.
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Find the excretory organ from the following
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Veins allow blood to flow only
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The blood vessels which carry carbon dioxide-rich blood from all parts of the body back to the heart are called
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The cells in the blood which fight against the germs entering the body are
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____________helps in the efficient supply of oxygen to all the cells of the body
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The formation of a clot when bleeding is stopped from a wound in a human body is due to
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During transpiration water is lost from the plant in the form of
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The process by which a plant loses water through the stomata is called
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The urine from kidneys passes to the urinary bladder through
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The throbbing movements of the blood flow in the Arteries is called
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The blood vessels which carry oxygen-rich blood from the heart to all parts of the body are called
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Which of the following is the main circulatory fluid in our body? ( )
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A resting person usually has a pulse rate between
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The vascular tissue for the transport of water and nutrients in the plant is called
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The heart is located in the
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All Organisms need food, water and _____ for survival
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The part of blood which does not have a nucleus is
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During respiration, energy is stored in the form of:
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Blood carries _____________ from lungs to the cells of the body
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Aquatic animals excrete cell waste mostly as
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