While the internal sex organs are forming in the abdomen during the first trimester, your baby's urinary system is developing nearby. The kidney structures begin developing at six weeks, near the structures that will become the reproductive organs. As your baby grows, the kidneys w...
Butearsdomorethanhear.Theyhelpyoukeepbalanced(平衡的),too.Intheinnerear,thereareorgansthatarefilledwithliquid(液体)andcoveredwithsmallhairs.Whenyoumoveyourhead,theliquidandhairsmove,too.Theysendmessagestoyourbrainaboutthepositionofyourhead.Moresurprisingly,earsevenhelptotastefood.Ofcourse,youdon'tactually...
And where do they keep their reproductive organs? To understand how birds have sex, it is necessary to move beyond preconceived ideas of how other animals have sex — particularly mammals. "Birds and mammals differ quite a bit in their reproductive anatomy," Kevin J. McGowan, a senior course...
That makes the bike move. Now imagine riding your bike to create enough power to run a computer. Some students at one school did just that! They jumped on bikes connected to generators (发 电机) and pedaled in place. Soon they were producing electricity. This energy is needed to run ...
With no arms, legs or other appendages, 'How do earthworms move?' is a valid question. You've seen them in the soil of your garden or wriggling haphazardly across the pavement after heavy rain, but have you ever put much thought into the locomotion of an earthworm?
The World How Much Do You Know About Your Organs? Human Body How Your Kidneys Work Wild Animals Some Anglerfish 'Permanently Mate' and Become a Single Being Animals All About the Vaquita, the Most Endangered Marine Mammal Advertisement Can piranhas really strip a cow to the bone in under...
/ dCdV; dBdV/ v 1 [I, Ipr, Ip, Tn] move quickly and suddenly to one side in order to avoid (sb/sth) 闪开; 躲开; 躲避: He dodged to left and right as the gunman opened fire. 持枪歹徒开火时他东躲西闪. *| She dodged round the corner. 她在角落处躲躲闪闪. *| (fig 比喻) ...
so a warm-up will almost always include some element of cardiovascular exercise, whether that is a short jog, high-stepping back and forth, or a few sprints. This cardio will help to get your heart rate up, delivering more oxygen to the muscles and organs, and opening upcapillariesfor ad...
Bill, your room has the internal organs, please clean it. [translate] aSwitch golds 交换golds [translate] a纽约机场on August 2 by air airport New York Airport [translate] a妹妹,好好英语 Younger sister, well English [translate] a被男孩的事迹深深感动 By boy's fact deep deep move [...
Things That Happen When You Get Sick Are You Getting Enough Sunlight? Positive Effects of Living Badly According to Your Ear Wax When Baby's Got the Bends Bizarre Genetic Traits Why Your Limbs 'Fall Asleep' Your Vital Organs & What They DoScience...