LAB EXAM2- Ch 7-8

Skeletal System & Types of Bones

How many bones are there in the adult skeleton?

206

Bones provide _____ and facilitate _______.

protection, motion

The heart and lungs are in what cavity?

Thoracic cavity

What is the function of the Vertebral column?

Provides structure & protection for the spinal cord

The skeletal system stores _____ & _______.

calcium, phosphorus

The skeletal system helps _____ _______ formation.

blood cell

Inside bone marrow of spongy bone, _____ give rise to blood cells.

stem cells

What 3 things interact to move the body?

Skeleton, muscles, & nerves

What does the Axial Skeleton include?

bones of the vertebral column, thoracic cage, and the skull and head region (core of the body)

What does the Appendicular Skeleton include?

126 bones of the upper limbs, lower limbs, bones of the shoulder girdle and pelvic girdle that “append” the limbs to the axial skeleton

Red blood cells are produced in which region?

Axial

What are the 5 types of bones?

Long

Short

Flat

Irregular

Sesamoid

Bone shape is related to its ______.

function

What is the function of Flat Bones?

protect internal organs such as the brain, heart, & lungs

What is the function of Long Bones?

support the weight of the body and facilitate movement

What is the function of Short Bones?

cube shaped components of the wrist and ankle joints

What are irregular bones?

vary in shape and structure

What is the functionof Sesamoid bones?

reinforces tendons, protects from stress & wear

Examples of flat bones?

Cranial Bones

Scapulae

Sternum

Ribs

Examples of Long Bones?

Humerus

Radius and Ulna

Femur

Tibia & Fibula

Metacarpas

Metatarsals

Phalanges

Examples of Short Bones?

Carpals

Tarsals

Examples of Irregular bones?

Vertebrae

Pelvic Bones

Example of Sesamoid bones?

Patella