skeletal system

What is the main function of the skeletal system?

• Protection

• Movement

• digestion

• respiration

Which bone protects the brain?

• femur

• skull

• ribcage

• clavicle

How many bones are there in the adult human body?

• 106

• 206

• 306

• 406

The bone marrow is responsible for producing:

• red blood cells

• white blood cells

• platlets

• all of the above

Which bone is the longest in the human body?

• radius

• femur

• tibia

• ulna

The shoulder joint is formed by the articulation of which bones?

• scapula and humerus

• radius and ulna

• femur and tibia

• tibia and fibula

What is the medical term for the collarbone?

• calvicle

• scapula

• humerus

• radius

Cartilage is harder and more rigid than bone.

• true

• false

Which of the following bones is not part of the axial skeleton?

• skull

• pelvis

• sternum

• radius

What is the purpose of synovial fluid in the joints?

• to provide nutrients to bones

• To reduce friction between bones

• To help muscles contract

• To aid in digestion