flexibility - Marvel Education

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Practice Listening: Highlight Correct Summary ID: #33410 Short flexibility

Instructions ›

Transcript:

I would like you to think for a moment about your hands and all the things you can do with them. You can use them to write or to drive. You can thread a needle, play the drums, build a wall and so on and so forth. They can be careful and precise - think of someone doing eye surgery, for example. But they can also generate huge forces. And here you might think of the sportsperson throwing a discus or lifting a heavy weight. How is it possible for our hands to be so incredibly flexible? Well, it's all down to the extraordinary complexity of the bones, ligaments, nerves and muscles that lie beneath the skin of our hands. There are, for example, nine muscles alone controlling just one thumb. Some of these are anchored to bones within the hand, while others link to the arm.

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What makes people unique compared to other creatures is their hands. Their flexibility has allowed us to develop the manual skills that have made society what it is today. People should become more aware of the complicated anatomy of each of their hands. The amazing flexibility of the human hand is truly remarkable. It is the result of a complex anatomy lying under the skin of the hand, and it can be useful to study this anatomy if you want to learn how to use your hands more effectively for sporting or other purposes. The human hand is extraordinarily flexible. It enables a person to do a remarkable variety of things, some demanding great precision and others requiring considerable strength. This is because of the complex structure of nerves, muscles and ligaments that makes up a hand. The thumb is the part of our hand that is most complicated in terms of the number of muscles required to control it. However, each of our fingers also depends on a set of nerves and muscles that enable it to carry out an extraordinary variety of actions.

Result:

A.I. Explanation:

Option 1: "What makes people unique compared to other creatures is their hands. Their flexibility has allowed us to develop the manual skills that have made society what it is today. People should become more aware of the complicated anatomy of each of their hands."
Explanation: This option introduces the idea of uniqueness compared to other creatures, which is not mentioned in the text. The text focuses on the flexibility and complexity of the human hand rather than societal implications. Additionally, it suggests a need for awareness about anatomy, which is not the main point of the text.
Option 2: "The amazing flexibility of the human hand is truly remarkable. It is the result of a complex anatomy lying under the skin of the hand, and it can be useful to study this anatomy if you want to learn how to use your hands more effectively for sporting or other purposes."
Explanation: While this option correctly mentions the flexibility and complex anatomy of the hand, it introduces the idea of studying anatomy for practical purposes, which is not explicitly stated in the text. The focus of the text is more on the variety of actions enabled by the hand's structure rather than on studying it.
Option 3: "The human hand is extraordinarily flexible. It enables a person to do a remarkable variety of things, some demanding great precision and others requiring considerable strength. This is because of the complex structure of nerves, muscles and ligaments that makes up a hand."
Explanation: This option accurately summarizes the main idea of the text, highlighting the extraordinary flexibility of the human hand and the variety of tasks it can perform, both precise and strong. It also correctly attributes this flexibility to the complex structure of nerves, muscles, and ligaments, which aligns with the text's emphasis on anatomical complexity.
Option 4: "The thumb is the part of our hand that is most complicated in terms of the number of muscles required to control it. However, each of our fingers also depends on a set of nerves and muscles that enable it to carry out an extraordinary variety of actions."
Explanation: This option focuses specifically on the thumb and its complexity, which is a narrower aspect of the text. While it mentions the complexity of fingers, it does not capture the overall theme of flexibility and the variety of actions that the entire hand can perform, making it less comprehensive than the correct option.

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