Anatomy & Physiology
Skeleton SystemInfant Skeleton about 300 bones Adult about 206 bones
The Skeletal SystemSupports
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?
Bone StructureOutside: periosteum
Compact bone & Spongy Bone
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
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
GirdleThe Pelvic Girdle
Rib BitsCalled Thoracic Cage- Protects vital organsThe rib cage flexes when we breathe
Smallest bones in the body
Sizes and ShapesLong BonesShort Bones Flat BonesIrregular BonesSesamoid Bones
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
Ball and socket joint
What mineral is important for bone growth and protects from osteoporosis?
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?
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.
A -----------------is an area of growing tissue located near the end of the long bones of the body
When you are born, the growth plates are actually --------------,which is a soft, rubbery material.
The bones of the_______ ______support and protect the organs of thehead, neck and trunk, including the skull, sternum,ribs, and vertebrae.
The _______ ________is composed of bones that anchor the appendages to the axial skeleton.