 ... from four to five hundred muscles in the human body, all necessary for performing the various movements and operations of the complicated machine. On each side of the back-bone there are several layers of strong muscles, which are fixed by tendons...  Elements of zoology - Trang 30bởi William Rhind - 1839Xem Toàn bộ - Giới thiệu về cuốn sách này
 | 1830 - 398 trang
...numerous bones of which the spine is composed. These muscles keep the trunk of the body erect, and permit the various motions of the back. There are a number...small muscles about the face, and head, and eyes, the variously modified actions of which give expression to the human countenance. The tongue, besides... | |
 | Chambers W. and R., ltd - 1856 - 866 trang
...strong muscles, which are fixed by tendons to every projection of the numerous bones composing tho spine. These muscles keep the trunk of the body erect, and also permit of the varied motions of the back. There are a multitude of small muscles about the face, head, and eyes,... | |
 | William Chambers, Robert Chambers - 1860 - 842 trang
...layers of strong muscles, which are fixed by tendons to every projection of the numerous bones composing the spine. These muscles keep the trunk of the body erect, and also permit of the varied motions of the back. There are a multitude of small muscles about the face, head, and eyes,... | |
 | William Chambers, Robert Chambers - 1867 - 832 trang
...layers of strong muscles, which are fixed by tendons to every projection of the numerous bones composing the spine. These muscles keep the trunk of the body erect, and also permit of the varied motions of the back. There are a multitude of small muscles about the face, head, and eyes,... | |
 | Andrew Wilson - 1878 - 132 trang
...layers of strong muscles, which are fixed by tendons to every projection of the numerous bones composing the spine. These muscles keep the trunk of the body erect, and also permit of the varied motions of the back. The head is kept balanced on the neck by means of strong muscles, the constant... | |
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