Like hands, for example.Think about it. If we didn't have hands, we would never have been able to build the world we live in today. Here are some amazing facts about the hands.There are no muscles(肌肉) in your fingers. The muscles are in your arms. Your fingers have tendons(肌腱...
Think about it. If we didn’t have hands, we would never have been able to build the world we live in today. And there will be a lot of things that can’t be done. Here are some amazing facts about the hands. There are no muscles (肌肉) in your fingers. The muscles are in yo...
How do cuttlefish change color? Cuttlefish change color using specialized cells called chromatophores, which contain pigments that expand and contract to produce different colors. They can also change texture through the use of muscles in their skin. ...
Oysters can change gender(性别) depending on which is best for mating(交配). Talk about successfuladaptation. 牡蛎可以根据交配情况来改变性别。这适应性真的很强势。 A cat has 32 muscles in each ear. All the better for them to eavesdrop(偷听) on your conversations and plot(策划) your demise(...
9. Their ears are controlled by 20 musclesThe ear tips of the caracal are pointed and hairy, their ears are used to locate prey and are controlled by 20 individual muscles.This peculiar structure of their ears is thought to be related to hearing function....
If we didn't have hands, we would never have been able to build the world we live in today.Here are some amazing facts about the hands.There are no muscles(肌肉) in your fingers. Your fingers have tendons(肌腱). Tendons, like our brain,in the fingers actually control their movement....
Like hands, for example.Think about it. If we didnt have hands, we might nev-er be able to build the world we live in today. Our hands,fingers and thumbs(大拇指) make us very special. Hereare some amazing facts about the hands.There are no muscles(肌肉) in our fingers. That's...
There are many great facts about the elephant though that you should learn about, and this is the place to do so. Elephants are the largest of all land animals in the world. It takes a female 22 months from conception to have a baby. This is longer than any other animal in the ...
Fascinating facts about how we spend the days of our lives 8 You May Be Able to Hear Your Muscles Move Have you ever sat back and said to yourself “I can hear my muscles move?” No, you’re not crazy, or hearing weird things. You might just be able to. ...
Although the brain is always receiving this information, we're often unaware of it as it goes areas of the brain that process "unconscious" information. For example, information about the position of your muscles and joints is always being sent to the brain—but we rarely notice this until ...