The Skeletal System

Ligaments attach -

• bone to muscle.

• bone to tendons.

• bone to bone.

• bone to ligaments.

The thoracic cage does NOT protect these organs.

• Heart

• Lungs

• Small Intestine

• Liver

This is a disease found mostly in the elderly.

• Scoliosis

• Osteoporosis

• Osteomalacia

• Breaks, sprains, and fractures

Which part of the bone is less dense and porous?

• Compact Bone

• Spongy Bone

• Bone Marrow

• Periosteum

Which mineral is most important for maintaining strong and healthy bones?

• Potassium

• Calcium

• Iron

• Sodium

Humans have this type skeleton.

• Appendicular

• Axial

• Exoskeleton

• Endoskeleton

This part of the skeletal system has over half of the body’s bones.

• Appendicular

• Axial

• Exoskeleton

• Endoskeleton

Without these we would not be able to bend our arms or legs.

• Hinges

• Tendons

• Ligaments

• Joints

Most insects have this type skeleton.

• Appendicular

• Axial

• Exoskeleton

• Endoskeleton

What are the main organs of the skeletal system?

• bones and muscles

• bones and joints

• muscles and joints

• ligaments and tendons