Transport of substances in animals and plants Worksheet-6
Fill in the Blanks:
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Urea is excreted from the body in the form of a pale yellowish-coloured liquid called _________.
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The absorption/filtration is done by the functional unit of the kidney in which waste substances get dissolved in water and are removed by urine are called ____________.
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Urine when formed is collected through the __________ into the urinary bladder.
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Urine is passed out from the body through the opening at the end of the _________.
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A method for removing toxic substances from the blood with the help of a machine when the kidneys are unable to do so is called ___________.
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The dialysis machine is also called a/an _________ kidney.
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The chamber of the heart with thick walls, which pumps blood away from the heart, is called ___________.
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The chamber of the heart with thinner walls which pumps blood within the heart is called ________.
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Artery that takes deoxygenated blood to the lungs from the heart is called the ________ artery.
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Red pigment of the blood is known as _________.
True/False:
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Plants excrete their toxic wastes in the form of resins, gums, etc.
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In humans, blood flows through arteries and veins and the heart acts as a pumping organ.
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Urine contains 5% water and rest 95% is urea, uric acid, and minerals.
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Arteries are superficially placed and blood flows freely inside it without any pressure.
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Animals such as Amoeba, Paramoecium, Hydra, etc., get rid of all kinds of body wastes by direct diffusion through the cell membranes.
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Formation of more urine is a sign of dehydration.
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A normal heart beats about 60 to 80 times a minute.
Answer Key:
Fill in the Blanks:
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Urine
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Nephrons / nephron
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Ureters / ureter
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Urethra
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Dialysis
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Artificial
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Ventricle
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Auricle
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Pulmonary
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Haemoglobin
True/False:
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T
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T
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F
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F
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T
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F
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T