The Skeletal System

Which of the following are among the functions of the skeletal system?

Select all that apply.

• I. Detoxification of harmful chemicals

• II. Formation of blood cells

• III. Protection of brain, spinal cord and other internal organs

List the main functions of the skeletal system.

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Answer explanation

- Support

- Protection

- Movement

- Formation of blood cells

- Stores calcium and phosphorus

Which number in the human skeletal system diagram can be modeled using the joint model shown next to it? Explain your answer.

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Answer explanation

Number 2. It allows for a free movement in all direction and in circular way.

Which number represents a joint that allows back-and-forth movement like that of a door?

• 5

• 1

• 2

• 1 and 2

• 1 and 6

Which number(s) represent a joint that allows one bone to slide in two directions?

• 3,6

• 3

• 6

• 5,2

• 5

Which diagram represents a joint that allows side-to-side and back-and-forth movement.

• A (the wrist joint)/the gliding joint

• shoulder /Ball-and-Socket

• Sutures/: joints between skull bones

Which of the below connect the bones at joints?

• A. Ligament

• B. Melanin

• C. Muscles

• D. Tendon

Which of the below connect the bones with muscles?

• A. Ligament

• B. Melanin

• C. Muscles

• D. Tendon

Which type of joint is shown in the diagram ?

• A. Ball-and-socket

• B. Gliding

• C. Hinge

• D. Sutures

Which number represents the compact bone?

• A. 1

• B. 2

• C. 3

• D. 4