Choose the correct statement that describes arteries.(a) They have thick elastic walls, blood flows under high pressure; collect blood fromdifferent organs and bring it back to the heart(b) They have thick elastic walls, blood flows under low pressure; carry blood from the heartto various organs of the body(c) They have thick elastic walls without valves inside, blood flows under high pressure andcarry blood away from the heart to different parts of the body(d) They have thin walls with valves inside, blood flows under low pressure and carry bloodaway from the heart to various organs of the body.SUBJECT: BIOLOGY BRIDGE COURSE WORKSHEET -1 CLASS –XART INTEGRATION WORKSHEET
Question
Choose the correct statement that describes arteries.(a) They have thick elastic walls, blood flows under high pressure; collect blood fromdifferent organs and bring it back to the heart(b) They have thick elastic walls, blood flows under low pressure; carry blood from the heartto various organs of the body(c) They have thick elastic walls without valves inside, blood flows under high pressure andcarry blood away from the heart to different parts of the body(d) They have thin walls with valves inside, blood flows under low pressure and carry bloodaway from the heart to various organs of the body.SUBJECT: BIOLOGY BRIDGE COURSE WORKSHEET -1 CLASS –XART INTEGRATION WORKSHEET
Solution
The correct statement that describes arteries is (c) They have thick elastic walls without valves inside, blood flows under high pressure and carry blood away from the heart to different parts of the body.
Arteries are designed to transport blood away from the heart and they do so under high pressure, hence the need for thick, elastic walls. The absence of valves inside the arteries is due to the fact that the high pressure keeps the blood flowing in one direction, making valves unnecessary.
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