Skeletal System - Bone Structure and Formation

What are the 5 main functions of the skeletal system?

(p.108)

Bone is made up of ​ (a)   organic material, ​ (b)   inorganic mineral salts, and water.

(p.108)

• 35%
• 65%
• 50%
• 25%
• 75%

The organic part of bone derives from a protein called bone ______, a fibrous material that gives bone a certain degree of flexibility.

(p.108)

Tags

NGSS.HS-LS1-6

What mineral salts make up the inorganic portion of bone, giving it its hardness and durability?

(p.108)

Describe the process of ossification that begins during the 8th week of embryonic development.

(p.109)

Tags

NGSS.HS-LS1-4

True or false:

The process of ossification is completed before birth.

(p.109)

• True

• False

The medical term for the soft spot on a baby’s head

(p.109)

• Fontanel

• Frontal lobe

• Occipital bone
• Bone marrow

The hollow cylinder of hard, compact bone that makes up the shaft of a typical long bone

(p.109)

• medullary cavity

• metaphysis
• diaphysis
• epiphysis

The name for the structure at each end of a long bone

(p.109)

• medullary cavity

• fontanel

• diaphysis
• epiphysis

What is found inside the medullary cavity of long bones?

(p.109)

• Nerve fibers
• Yellow bone marrow

• Compact bone

• Cartilage