Skeletal System

Question 1

Functions of Skeletal system

Answer 1

1. Support
2. motion
3. protection
4. storage of ions (Ca, PO4, fat)
5. Blood cell production

Question 2

Types of blood cells produced by the skeletal system

Answer 2

• MSC cells
• HSPC’s (Hematopoietic)

Question 3

Bone classifications

Answer 3

• Flat bones
• irregular bones
• Long bones
• Short bones
• Sesamoid bone
• Sutures

Question 4

Epiphysis of bone

Answer 4

Ends of the bone

Question 5

Metaphysis of bone

Answer 5

The neck portion of the bone between the epiphysis and the diaphysis

Question 6

Diaphysis of bone

Answer 6

hollow, tubular shaft that runs between the proximal and distal ends of the bone

Question 7

compact bone

Answer 7

dense bone which the bony matrix is filled

Question 8

Spongey bone

Answer 8

porous interior of the bone

Question 9

medullary cavity

Answer 9

central cavity of the bone where bone marrow is stored

Question 10

Cortex compact

Answer 10

formed by contact bone and is on the outside of flat bones

Question 11

cancellous

Answer 11

light, porous bone enclosing large spaces

Question 12

Collagen cells are in the shape of

Answer 12

triple helix

Question 13

what is contained between collagen cells

Answer 13

Hydroxyapatite crystals (Ca3PO4)

Question 14

the inorganic portion of the bone extracellular matrix

Answer 14

Hydroxyapatite crystals

Question 15

Organic portion of the bone extracellular matrix

Answer 15

Collagen

Question 16

What do Hydroxyapatite crystals do?

Answer 16

give the bone its rigidity

Question 17

Osteoclast function

Answer 17

destroy old bone

Question 18

Osteoblast function

Answer 18

Make new bone

Question 19

Osteocyte function

Answer 19

maintains cell bone matrix