The movements of the vertebral column include flexion, extension, lateral flexion, and rotation. However, it does not include movements such as abduction or adduction, which are specific to limbs. Each of these movements allows for a range of motion, contributing to the flexibility and mobility of the spine.
Vertebrates do not have exoskeletons. However, they do have internal organs, vertebral columns, and tails. Lampreys are vertebrates that also do not have jaws.
Invertebrates are animal species that do not develop a vertebral column. This in effect includes all animals apart from the subphylum Vertebrata. Familiar examples of invertebrates include insects, snails, and starfish. Taxonomically speaking "invertebrate" is no more than a term of convenience; only about 3% of animal species include a vertebral column in their anatomy.[1] In other words all animals except those in the chordate subphylum Vertebrata (fish, amphibians, reptiles, birds, and mammals) are regarded as invertebrates.(source: Wikipedia)
The anatomical cavity that contains all of the thoracic viscera except the lungs is the mediastinum. The mediastinum is located between the lungs and extends from the sternum to the vertebral column, and from the thoracic inlet to the diaphragm. It houses vital structures such as the heart, great vessels, trachea, esophagus, and thymus gland.
Chordates are characterized by having a notochord, a dorsal hollow nerve cord, pharyngeal slits, and a post-anal tail at some stage of development. They also possess a segmented body and a complex nervous system. However, chordates do not necessarily have a backbone; for example, some chordates, like tunicates and lancelets, are invertebrate and lack a vertebral column.
All the joints of the spinal column are gliding joints except the very first two in the neck region. These are a pivot joint.
They are almost same except directions, column chart are vertical type and bar chart are are horizontal.
The Alkali Metals are the first column of the periodic table, except for Hydrogen.
There is really no difference except for the people involved and how they achieved their goals.
To insert a column in Excel you click on the letter of the column to the right of where you would like a new column inserted. When you do that you have highlighted the entire column. Once that is done you simply right click and a menu will pop up. Choose 'insert column' and then you are done. To insert a row you follow the exact same instructions except you click on the number of the row that is below the area in which you need a new row.
This is the continuous movement of water molecules.
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all of the following are output devices except ?