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Skeleton, the supportive framework of an animal body. The skeleton of invertebrates, which may be either external or internal, is composed of a variety of hard nonbony substances. The more complex skeletal system of vertebrates is internal and is composed of several different types of tissues that.
The human skeleton is the internal framework of the human body. It is composed of around 270 bones at birth – this total decreases to around 206 bones by adulthood after some bones get fused together. [1] .
Skeletons support and protect our bodies. Bugs have exoskeletons outside their bodies, while humans have endoskeletons inside. Our bones are in axial (skull, ribcage, spine) and appendicular (arms, legs) groups.
Aug 30, 2018 · The human skeletal system consists of all of the bones, cartilage, tendons, and ligaments in the body. Altogether, the skeleton makes up about 20 percent of a person’s body weight. An...
Sep 7, 2017 · The skeleton is the supporting framework of an organism. It is typically made out of hard, rigid tissue that supports the form of the animal’s body and protects vulnerable organs.
It is made up of 206 bones that provide form and support, protect the inner organs, and together with muscles, bones also help in performing different types of movements. Now, our skeleton can be divided into an axial and an appendicular skeleton.
General characteristics. vertebrate: skeleton. Selected vertebrate skeletons. In vertebrates the adult skeleton is usually formed of bone or cartilage—living substances that grow with the animal, in contrast to the many types of invertebrate skeleton that do not grow or are dead secretions, deposits, or crystals.
