contain fibrocytes

contain osteocytes and chondrocytes

have collagen to make them hard

grow with the body

grows with the organism

provides a wide range of motion

varies in strength amount organisms that have one

contains joints where the plates meet

are part of the exoskeleton

are part of the endoskeleton

attach muscle to bone

attach bone to bone

predators

allergens

harsh environments

accumulation of waste

snake and endoskeleton

insect and an exoskeleton

sponge and exoskeleton

insect and layers of muscle tissue

held together by cellular secretions

held together by ligaments and cartilage

primarily composed of cellular secretions

made strong and flexible with collagen

protects the ends of some bones so they will not wear down

protects some deeper organs

stores some materials that are needed by the body

contains a large amount of collagen and a small amount of calcium

chitin

bone

scales

collagen

are invertebrates

are sessile

are filter feeders

covered with a thick skin