Anatomy Unit 4- skeletal system notes A

What are the functions of the skeletal system?

support the body, protection of organisms, Movement, storage of minerals and fats, Blood cell formation

What are the parts of the skeletal system?

Bones, Joints, Cartilage Ligaments

How many bones does an adult skeleton have?

206 bones

What two divisions are the skeletal system divided into?

Axial and Appendicular

Bone is a _________ tissue

Connective

What are the two basic types of bone tissue?

Compact (homogeneous) and Spongy (small needle-like pieces of bone with many open spaces)

What are the four classifications of a skeletal system?

long, short, flat, and irregular

What is a long bone?

Longer than wide, Shaft with heads at both ends, Contain mostly compact bone

What are the examples of a long bone?

Femur, and humerus

What is a short bone?

Cube-shaped, contain mostly spongy bone

What are examples of a short bone?

Carpels, and Tarsals

What is a flat bone?

Thin and flattened, Usually curved, Thin layer of compact bone around a layer of spongy bone

What are examples of a flat bone?

Skull, Ribs, and sternum

What is an irregular bone?

Irregular shaped, Usually curved, Do not in any bone shape category

What is an example of an irregular bone?

Vertebrae and hip (pelvic)