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Bones in the Human Body

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Terms in this set (20)

  • How many bones are in the adult human body?

    The adult human body has 206 bones.

  • What are the two main divisions of the human skeleton?

    The axial skeleton and the appendicular skeleton.

  • What bones make up the axial skeleton?

    The axial skeleton includes the skull, vertebral column, ribs, and sternum.

  • What bones make up the appendicular skeleton?

    The appendicular skeleton includes the limbs and girdles (pectoral and pelvic girdles).

  • Name the largest bone in the human body.

    The femur (thigh bone) is the largest bone.

  • What is the function of bones in the body?

    Bones provide support, protection, movement, mineral storage, and blood cell production.

  • What type of bone is the femur classified as?

    The femur is a long bone.

  • What are the four types of bones based on shape?

    Long, short, flat, and irregular bones.

  • Give an example of a flat bone.

    The sternum and scapula are examples of flat bones.

  • What is the role of the vertebral column?

    It supports the head, protects the spinal cord, and provides attachment points for ribs and muscles.

  • How many vertebrae are in the adult vertebral column?

    There are 33 vertebrae in total.

  • What are the five regions of the vertebral column?

    Cervical, thoracic, lumbar, sacral, and coccygeal regions.

  • Which bones form the pectoral girdle?

    The clavicle and scapula form the pectoral girdle.

  • Which bones form the pelvic girdle?

    The hip bones (ilium, ischium, and pubis) form the pelvic girdle.

  • What is the smallest bone in the human body?

    The stapes bone in the middle ear is the smallest bone.

  • What is the function of red bone marrow?

    Red bone marrow produces red and white blood cells and platelets.

  • What is the difference between compact and spongy bone?

    Compact bone is dense and strong; spongy bone is porous and lighter.

  • Where is spongy bone typically found?

    Spongy bone is found at the ends of long bones and inside flat bones.

  • What is the periosteum?

    The periosteum is a fibrous membrane covering the outer surface of bones except at joints.

  • Name the bone cells responsible for bone formation.

    Osteoblasts are responsible for bone formation.