Question

ANSWER THE QUESTIONS
1.
Define skeleton. What are the functions of the skeletal system?
2. What are the different parts of our skeletal system?
3. Explain hinge and pivot joints.
4.
Differentiate between voluntary and involuntary muscles.
5.
How do muscles work?​

Answer 1

Answer:

hope it will help you

Explanation:

a skeleton is the hard structure that protects the internal organs of a living thing skeletons can be inside the body outside the body . in mammals which include humans the skeleton is made of bones all the bones when they are joined together make the skeleton system of the body

the skeleton system is traditionally divided into two major parts the axial skeleton : which includes the skull spine and the rib cage and the appendicular skeleton : which includes the appendages and the girdles that attach them to the axial skeleton.

Hinge joint : hinge joints are formed between two of more bones where the bones can only move along one axis to flex or extend

pivot joint : pivot joint the cylinder rotates the ring . another joins the ring rotates the cylinder