Beetles and crustaceans have an ______________ or external skeleton
exoskeleton
The skeletal system produces ____________ in its marrow.
blood
The strength of bone comes from dense bone toward the outside called _____________ bone.
compact
Bones are connected to eachother with...
ligaments
When bones lose density and become fragile
osteoporosis
Our skeletons are on the inside, called __________
endoskeletons
The skeletal system ___________ the brain, lungs, and heary.
protects
The interior of bone has spaces and holes. This is called _____________ bone.
spongy
Muscles are attached to bones with...
tendons
When bones become soft due to vitamin D deficency
osteomalacia
Skull, ribs and vertebrae are the __________ skeletal system.
axial
stores
The very exterior of bone is a stringy tissue that muscles can attach to called....
periostium
Bones move around at locations called...
joints
Inflamation and pain in joints
arthritis
Describe the difference between male and female skeletons.
male pelvis has smaller angle in the front
The skeletal system maintains balance of calcium in the blood; this is part of ____________ or the general maintinance of balance in the body.
homeostasis
Inside of bones is filled with a soft tissue called...
marrow
A curving of the spine
scoliosis
bones of the arms, legs, shoulders, and hips are the ______________ skeleton.
appendicular
The skeletal system works very closely with the ____________ system for movement and the ____________ system for storage/delivery of calcium to cells
muscular, circualtory