How many bones are in the human body?

• 206

What are the six basic functions of the skeletal system?

1. provides support and stability

2. Protects internal organs

3. Creates lever system from attachments to muscles

4. stores minerals (calcium and phosphorus)

5. Produces RBC’s and WBC’s in Red Marrow

6. stores fat in Yellow Marrow

Define ligament.

• a fibrous connective tissue that connects bone to bone

Define cartilage.

• flexible connective tissue that cushions and protects joints and allows for movement

Define tendon.

• a fibrous connective tissue that connects bone to muscle or other body structures

What is considered the “axial” skeleton?

• Bones in the central axis of the body, skull, vertebrae, ribs and sternum (head, neck, back, chest)

What is considered the “appendicular” skeleton

• Bones that append (attach) to the axial skeleton (arms, legs, shoulder girdle, pelvic girdle)

There are 4 different “types” of human bones and their names are an indication of the actual bone shape. What are the 4 different types and provide 2 examples using proper anatomical names

• Long

  • femur, tibia

• Short

  • carpals of the wrist, tarsals of the foot

• Flat

  • skull, ribs

• Irregular

  • sacrum, vertebrae

What are the names of the minerals that give bones their hardness?

• Calcium and phosphorus