Introduction to the Skeletal System

Made up of a layer of spongy bone between two thin layers of compact bone. Thin. (Ex. skull and ribs)

• long

• short

• flat

• irregular

• sesamoid

Bones that are approximately equal in length, width, and thickness. (Ex. carpals)

• long

• short

• flat

• irregular

• sesamoid

Identify the structures of microscopic bone.

d

e

f

g

c

b

a

spongy bone

blood vessels

periosteum

osteon

Haversian canal

compact bone

canaliculi

Tags

NGSS.MS-LS4-2

Match the following

• osteoblasts

• mature bone cell

• osteocyte

• bone building cell

• osteoclasts

• bone cell that breaks down bone

Tags

NGSS.MS-LS1-3

Organize these options into the right categoriesd

Groups:

(a) FLAT

,

(b) LONG

,

(c) IRREGULAR

,

(d) SHORT

• clavicle

• carpals

• sternum

• tarsals

• tibia

• vertebrae

• femur

• fibula

• ribs

• humerus

• pelvic

• parietal

• mandible

Tags

NGSS.MS-LS4-2

Functions of the skeletal system include:

• storage of fat and minerals

• movement

• protection of soft, internal organs

• hemopoiesis

• providing a rigid framework for the body

​ ​ ​ ​ Match the letters in the image to the part of the skeletal system.

• D

• joints

• A

• cartilage

• B

• ligaments

• C

• bones

The mineral _____ is stored within bone tissue.

Match the images of bones to their bone shape.

• irregular bones

• 
• sesamoid bones

• 
• flat bones

• 
• short bones

• 
• long bones

• 

Match the images of bones to their bone shape.

• irregular bones

• 
• sesamoid bone

• 
• short bones

• 
• long bones

• 
• flat bone

• 

Tags

NGSS.MS-LS4-2