with this stunning new addition. In "Bones," youngsters will discover the amazing facts about the two hundred and six bones that make up their skeletons, ranging from the smallest, most intricate bones in their feet and hands to the largest, strongest bones in their legs. Blending spectacu....
We can move our legs and feet by using our ___. A. muscles B. bones C. skin D. hair 相关知识点: 试题来源: 解析 A。我们可以通过肌肉来移动我们的腿和脚。选项 B 骨头主要起支撑作用;选项 C 皮肤主要起保护作用;选项 D 头发主要起装饰作用。反馈...
The long bones in the human skeleton are present in both extremities: arms and legs. All of the bones of the arms, legs, hands, and feet are examples of long bones, except the bones of the wrists and ankles. Furthermore, there is one long bone present outside of the extremities and ...
Muscles in your body give you the power to move, but without the bones in your arms, legs,hands, and feet, your muscles would be of no use to you.Your bones also help your body in another very important and surprising way. The center of some bones contains a soft, white material. ...
of several species of giant penguins that lived after dinosaurs died out. A fossil hunter found the bones last year in the Waipara River bed near the city of Christchurch. The bones are from the animal's legs and feet. Scientists confirmed that the bones came from a newly discovered ...
If you’re like most people, you think about bones as the dry, stiff specimens you see holding up dinosaur heads in museums or keeping turkey legs together on Thanksgiving. But the bones in your body are a world away from these fossilized and cooked leftovers. They’re still tough and im...
In the air-breathinglungfish, fins are used for stepping on the bottom in a manner that superficiallyresemblesstepping by the legs of a salamander. Indeed, the land vertebrates evolved from extinct fishes that used their fins for stepping; the pentadactyl (i.e., with five digits) skeleton and...
The bones are believed to be from the oldest of everal species of giant penguins that lived after dinosaurs died out. A fossil hunter found the bones last ear in the Waipar a River bed near the city of Christchurch. The bones are from the animal's legs and feet Scientists confirmed ...
Spines Are the Body's Trunks Spines are responsible for our posture and shock absorption when we walk or run. Spines also contain the spinal cord, which is made up of nerve fibers that send messages back and forth between the brain and body. The 24 bones in the human spine create an S...
Our biggest bone is the femur which is at the top of the leg! The top end connects to your hip and the bottom end connects to your knee. Embed from Getty Images 6. Your feet and hands are made up of lots of bones. Your feet and hand have over half your bodies’ bones in them!