Detailed diagram and hand drawn explanation of the four main types of erosion. I explain:
1. Hydraulic action
2. Attrition
3. Corrasion or Abrasion
4. Corrosion or Solution
Please visit my teaching website: http://www.thegeographeronline.net
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We’ve learned about bones and the skeletal system, but bones are so hard, so why are our bodies so bendy and flexible? The answer is joints! Joints let our bodies move in all the way they do, and they are many different types, so let’s check out their structures now.
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A joint is where two bones meet in the Human body. Without joints, movement as we know would be impossible. After this video, you should find out how many joints in the Human body are you able to identify. Try this quiz: https://khub.me/m0ftb
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So as you’ve probably already observed within your own body, the bones of the human body work together to create a structural scaffolding to protect the internal organs and to facilitate movement. Every bone in the body articulates with at least one other bone, with the exception of the hyoid bone which is floating up around the neck. Articulation, which is the joining together of two bone structures, is what makes movement possible and the point of articulation between two bones is called a joint. Joints are classified according to the range of motion they exhibit and the types of tissue that holds the bones together.
We classify joints according to the types of tissues holding the articulating bones together. With that in mind, we can describe three distinct types of joints and these are the synovial joint, the fibrous joint and the cartilaginous joint.
In this video tutorial, we will be going over the following points:
– definition of articulation/joint;
– joint classification;
– synovial joints;
– fibrous joints;
– cartilaginous joints;
– classification of joints based on range of motion;
– ball and socket joints;
– hinge joints;
– pivot joints;
– condylar joints;
– saddle joints;
– plane joints;
Want to test your knowledge on the main joints of the Human body? Take this quiz: https://khub.me/m0ftb
Read more on the anatomy of the different types of joints and learn some examples of those joints in your body: https://khub.me/um4nv
For more engaging video tutorials, interactive quizzes, articles and an atlas of Human anatomy and histology, go to https://khub.me/2coqo
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