AP Module bones

Bones give the body its structure.

• Shape

• Support

• Protection

• Movement

The bones of the legs, pelvis, and vertebral column support the body and hold it upright.

• Support

• Shape

• Protection

• Movement

Bones protect delicate internal organs such as the heart, lungs, brain, and spinal cord.

• Protection

• Support

• Shape

• Movement

The movement of arms and legs, as well as the ability to breathe, results from the interaction between muscles and bones.

• Movement

• Protection

• Support

• Shape

Bones store and release minerals such as calcium and phosphorus, which are necessary ingredients for a variety of chemical reactions throughout the body.

• Electrolyte balance

• Movement

• Protection

• Support

Bones encase bone marrow, a major site of blood cell formation.

• blood production

• acid-base balance

• electrolyte balance

• protection

Bones absorb and release alkaline salts to help maintain a stable pH.

• Acid-base balance

• Blood production

• Movement

• Electrolyte balance

What is as strong as steel and as light as aluminum?

• Bone

• Acid-base balance

• Electrolyte balance

These bones have a very long axis and are longer than they are wide. They work like levers to move limbs.

Examples include the femur and humerus.

• Long bones

• Flat bones

• Short bones

• Irregular bones

Thin, flat, often curved bones protect organs. They provide a large surface area for the attachment of muscles.

Examples include the skull, ribs, breastbone (sternum), and scapulae (shoulder blades).

• Flat bones

• Short bones

• Irregular bones

• Long bones