Muscles are made of thousands of stringy fibers-a number that is fixed during childhood-which contract(收缩)when doing work.Strength does not depend on the number of fibers but on the function of their thickness and how many of them contract at the same time. ...
求翻译:Muscles and organs are made of protein.是什么意思?待解决 悬赏分:1 - 离问题结束还有 Muscles and organs are made of protein.问题补充:匿名 2013-05-23 12:26:38 由蛋白质肌肉和器官。热门同步练习册答案初中同步测控优化设计答案 长江作业本同步练习册答案 名校课堂助教型教辅答案 U计划学期系统...
The facts in Paragraph 1 are used to . A. explain how the human body can change. B. prove that the human body works like a machine. C. show how complex and interesting the human body is. D. describe the most important features of the human body." /> You are made of 73 percent...
Female spotted hyenas are known for their male-like genitalia, high levels of aggression, and dominance over males, characteristics which are attributed to exposure to elevated levels of testosterone in utero. Although the nervous system of spotted hyenas has not previously been examined, one might ...
Seasonal variation and condition-dependence of the drumming muscle of cod, Gadus morhua L.? – An experimental approach Sexually dimorphic traits or ornaments have evolved in a number of species and are usually more elaborate in males than in females. Sexual dimorphic orname... JT Nordeide,C ...
All the muscles of insects, whether they be ‘visceral muscles’ surrounding the alimentary canal or the heart, or ‘skeletal muscles’ actuating the appendages, are made up of striated muscle-fibres. The histology of these fibres varies widely. They may consist of bundles of fibrillae with in...
weusesomeofthemusclesinourbody. ③Amusclemadeof tinyfibersarepackedtogether tomakeasingle muscle.Weallhave the sa mber of musclesabout 700 or so. Men and women with big muscles simply have thickerbundlesoffibers. ④Therearethreedifferenttypesofmusclesinourbody.Smoothmusclesaretheones twe cannot...
Our human body is made up of many muscles. All these muscles work together to help you move. They form the muscle system. 650 muscles are wrapped around your bones. They basically cover the bones like a blanket. Muscles are fastened to the bones by tough bands. These bands are called te...
Pressurized artificial muscles are reviewed. These actuators consist of stiff reinforcing fibers surrounding an elastomeric bladder and operate using a pressurized internal fluid. The pressurized artificial muscles, known as McKibben actuators or flexible matrix composite actuators, can be applied to a wid...
The material is such that in which the mesogenic units are in both the side chains and the main chains of the elastomer. This co-elastomer was then mechanically loaded to induce a uniaxial network anisotropy before the cross-linking reaction was completed. These samples were then made into a...