Amoeba Sisters: Skeletal System

What is the primary component of bones?

• Calcium

• Collagen

• Cartilage

• Chitin

What type of skeleton do earthworms have?

• Endoskeleton

• Hydrostatic skeleton

• Bony skeleton

• Exoskeleton

How many bones does an adult human generally have?

• 250

• 206

• 150

• 300

What connects muscle to bone?

• Cartilage

• Ligaments

• Tendons

• Fibula

What type of bone is the femur classified as?

• Flat bone

• Short bone

• Sesamoid bone

• Long bone

What is the function of osteoclasts?

• They connect bone to muscle.

• They break down bone structure.

• They make bone.

• They maintain bone structure.

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What is stored in yellow marrow?

• Red blood cells

• Platelets

• Fat

• White blood cells

What is the main role of calcium in the body according to the text?

• To clot blood

• To transport gases

• To provide energy

• For muscle contraction

What is osteogenesis imperfecta?

• A condition where bones grow too fast

• A condition where bones are brittle and easily fracture

• A condition where bones are overly flexible

• A condition where bone marrow does not produce enough blood cells

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What combines the skeletal system with the muscular system?

• The nervous system

• The cardiovascular system

• The endocrine system

• The musculoskeletal system