1) What is the hard outer layer of a bone called? a) Marrow b) Cortex c) Periosteum d) Compact bone 2) What is found inside bones? a) Blood b) Marrow c) Muscle d) Skin 3) What part of the bone makes blood cells? a) Cartilage b) Marrow c) Cortex d) Periosteum 4) Which part covers the bone surface? a) Periosteum b) Marrow c) Cortex d) Spongy bone 5) What is the spongy part inside bones called? a) Compact bone b) Cortex c) Spongy bone d) Marrow 6) What connects bones to muscles? a) Ligaments b) Tendons c) Cartilage d) Joints 7) What is the function of cartilage? a) Protects joints b) Makes blood c) Stores fat d) Covers muscles 8) What are bones made of? a) Calcium b) Iron c) Water d) Sugar 9) What is the role of ligaments? a) Connect bones b) Make blood c) Store fat d) Cover muscles 10) What is the soft tissue in the center of bones? a) Cartilage b) Marrow c) Cortex d) Periosteum

Bone Structure Basics

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