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.

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.

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