locomotion review

Define Appendicular Skeleton

• Place where bones are connected

• The skull, vertebral column, ribs, and sternum

• The arms, legs, and associated structures

• Fluid filled sacs between bones that absorbs shock

Define Axial skeleton

• The skull, vertebral column, ribs, and sternum

• Not under conscious control

• Bone cells

• The Arms, legs, and associated structures

Define Bursa

• Protective skin pigment

• Potential bone cells

• The deposition of minerals turns collagen into osteocytos

• Fluid filled sacs between bones that absorb shock

Define involuntary

• Allows for back and forth movement

• Allows no motion

• Under conscious control

• Not under conscious control

Define joint

• Sheets of cells found in walls of internal organs and blood vessels

• Place where bones are connected

• Protects internal organs

• Layer of fat in skin

Define melanin

• Not under conscious control

• Potential bone cells

• Protective skin pigment

• The skull, vertebral column, ribs and sternum

Define Osteoblast

• A protective protein

• Potential bone cells

• Allows bones to slide past each other

• Increases friction between bones

Define osteocyte

• Place where bones are connected

• Potential bone cells

• Bone cells

• The arms, legs and associated structures

Define voluntary

• The deposition of minerals turns collagen into osteocytes

• Makes skin dryer and more elastic

• Not under conscious control

• Under conscious control

How does aging effect the skin?

• Makes skin drier and skin loses it’s elasticity

• Make skin healthier and softer

• Causes skin to be dense and strong

• Makes skin porous and weak