Match the column A with those in column B. Column A Column B 1. Heart (a) A living pump 2. Food and oxygen (b) Can poison an organism 3. Waste products (c) Movement of materials 4. Carrier of oxygen (d) Material needed by every living cell. 5. Circulation (e) Pipes for the transport in man 6. Arteries and veins (f) Red blood cells

1- (a) A heart is a living pump that pumps oxygen and nutrient-rich blood throughout your body to sustain life. 2- (d) Food and oxygen are the materials that are needed by every living cell. The cells of all living organisms can release the energy in their food by a process called respiration. 3- (b) A waste product like urea, uric acid etc., produced by the body during metabolic activities are toxic and can poison the organism. 4- (f) Red blood cells contain pigment haemoglobin which is essential for transferring oxygen in your blood from the lungs to the tissues. 5- (c) Circulation is the movement of materials throughout the body. The circulatory system is made up of blood vessels that carry blood away from and towards the heart. 6- (e) Arteries and vein transport the oxygenated blood from the heart to the rest of the body and deoxygenated blood from the body to the heart. Oxygenated blood is rich in oxygen and deoxygenated blood is rich in carbon dioxide. So these are known as the pipes for the transport in man.

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SCIENCE A TEXTBOOK FOR CLASS 7>Chapter 11 - Transportation In Plants & Animals>EXERCISES>Q (II)

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Excretion in unicellular organisms takes place by (osmosis, diffusion).

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Important Questions on Transportation In Plants & Animals

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SCIENCE A TEXTBOOK FOR CLASS 7>Chapter 11 - Transportation In Plants & Animals>EXERCISES>Q (II)

Getting rid of waste materials in living beings is called _____.

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SCIENCE A TEXTBOOK FOR CLASS 7>Chapter 11 - Transportation In Plants & Animals>EXERCISES>Q (II)

Most liquid wastes are excreted through the _____(body surface, kidney).

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SCIENCE A TEXTBOOK FOR CLASS 7>Chapter 11 - Transportation In Plants & Animals>EXERCISES>Q (II)

Skin helps in the excretion of water and _____.

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SCIENCE A TEXTBOOK FOR CLASS 7>Chapter 11 - Transportation In Plants & Animals>EXERCISES>Q (II)

In man, carbon dioxide is excreted through _____.

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SCIENCE A TEXTBOOK FOR CLASS 7>Chapter 11 - Transportation In Plants & Animals>EXERCISES>Q (II)

Kidneys are made up of a number of filters called _____.

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SCIENCE A TEXTBOOK FOR CLASS 7>Chapter 11 - Transportation In Plants & Animals>EXERCISES>Q (II)

Kidneys are connected to the urinary bladder by long tubes called _____

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SCIENCE A TEXTBOOK FOR CLASS 7>Chapter 11 - Transportation In Plants & Animals>EXERCISES>Q (II)

Artificial kidney machines work on the principle of _____.

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SCIENCE A TEXTBOOK FOR CLASS 7>Chapter 11 - Transportation In Plants & Animals>EXERCISES>Q (III)

Match the column A with those in column B.

Column A	Column B
1. Heart	(a) A living pump
2. Food and oxygen	(b) Can poison an organism
3. Waste products	(c) Movement of materials
4. Carrier of oxygen	(d) Material needed by every living cell.
5. Circulation	(e) Pipes for the transport in man
6. Arteries and veins	(f) Red blood cells

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