Bones

Anatomy & Physiology

Skeleton SystemInfant Skeleton about 300 bones Adult about 206 bones

The Skeletal SystemSupports

Protects

Bones make (produce) blood

•Bone marrow produces blood cells-

•Blood cells must be reproduced

BonesImportant for storage:

Stores minerals that are important for your entire body to function, such as:

PhosphorusCalcium Potassium, magnesium, zinc and more.

What do you mean….are you saying they store stuff?

What else will help to make bones strong?

Vitamin DExercise

Bone StructureOutside: periosteum

Compact bone & Spongy Bone

Spongy Bone

Bone Marrow

Human Bone Marrow Beef Bone Marrow

Why do infants have more bones then adults anyway?Osteoblast- Osteo=Bone, blast=immature

Osteoclast osteo=bone, clast= to break

Still Growing-

Babies are born with more cartilage

Bones are placed into two groups

The axial skeleton forms the central axis of the body. It consists of the skull, the vertebral column, the ribs and the sternum or breastbone

Appendicular skeletonThe Upper

ExtremitiesThe Lower

ExtremitiesThe Shoulder

GirdleThe Pelvic Girdle

Vertebra Column

Rib BitsCalled Thoracic Cage- Protects vital organsThe rib cage flexes when we breathe

Skull

Smallest bones in the body

Ear

Sizes and ShapesLong BonesShort Bones Flat BonesIrregular BonesSesamoid Bones

Arm & Hands

Legs & Feet

Male and Female Skeletons are a bit different

Males- slightly thicker, longer legs and arms

Females- wider pelvis and larger space, so they can deliver children

Joints6 kinds of joints in your bodyThere is special fluid in the joints called

synovial-------------------------------------------------------------

---------HingeElbow/Knee 

Pivot Joint

Ball and socket joint

Shoulder/Hip

Saddle Joints

Condyloid

Quick Trivia

What mineral is important for bone growth and protects from osteoporosis?

Calcium

Infants have less bones then adults?True or False

False, they have more (Cartilage that turns into bone)

What are the things that are produced in the bone marrow?

Red Blood Cells and Yellow bone marrow, which stores the fats.

What are the 4 functions of the bones?

SupportsProtectsProducesStores

Periosteum (pare-ee-os-tee-um). Is located on what part of the bone?

The outside of the bone

The ______ ____, protects the bone and helps it to bounce back.

Spongy Bone

Osteo means?

Bone

A -----------------is an area of growing tissue located near the end of the long bones of the body

growth plate

When you are born, the growth plates are actually --------------,which is a soft, rubbery material.

cartilage

The bones of the_______ ______support and protect the organs of thehead, neck and trunk, including the skull, sternum,ribs, and vertebrae.

axial skeleton

The _______ ________is composed of bones that anchor the appendages to the axial skeleton.

appendicular skeleton