Which statement is true about the appendicular skeleton of the human body? 1. it consists of two groups, the bones along the main axis and the bones that connect the limbs to the axial skeleton. 2.it consists of the vertebral column and all the bones that directly connect to it. 3.it consists of the bones that form the limbs and the bones that attach the limbs to the axial skeleton. 4.it consists only of the pelvic girdle and the bones that lie below it.

The correct answer is option 3.

Explanation:

The part of the vertebrate skeleton comprising the bones, which upkeep the appendages is known as the appendicular skeleton. The appendicular skeleton comprises the skeletal elements within the limbs, as well as the pelvic and the pectoral girdle.  

It comprises the bones, which produces the limbs and the bones, and joins the limbs with the axial skeleton. In the human skeleton that comprises 206 bones, the appendicular skeleton constitutes 126. It helps in locomotion of the axial skeleton and to manipulate stuffs in the upper limbs.  

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so, when you eat, your teeth chew and grind food into smaller pieces. this is mechanical digestion. then reactions aided by digestive enzymes break down large food molecules into smaller molecules. this is chemical digestion. the two processes change the food into simpler substances that can be used by the body for raw materials and energy.

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