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by Melanie GrayMSU ~ MAET
CEP 811
Skeletal System
an interactive presentation
How this works! Click here for a quick tutorial!
A quick tutorial...This is an interactive presentation where you are in charge.
To move to the next slide click on the arrow on the right side and to move back a slide click on the arro
w on the left.
The diamond will take you to the main menu/home.
Don’t forget to complete your notes page too!
Home
The Skeletal System
What is the skeletal system?
Inside our bones.
What are joints?
Home
Click here if you have completed all
3 sections.
What are our bones made of?
Periosteum
the outer surface of bone
Hard Bone
the tough dense outer layer of bone
Spongy Bone
inside the bone there are cells with spaces between them
Marrow
thick jelly like substance - its job it to make blood cells
Home
Inside the bones
Yellow marrow
stores fat and releases it when the body needs it
Red marrow
Makes red and white blood cells and platelets in large amounts
Home
QUIZ TIME!Click on the correct answer
Red marrow stores fat and releases it when the body needs it.
True
False
The skeletal system is the framework that holds our body together.
Without bones we would be a pile of mush on the floor.
Home
What is the skeletal system?
Skeletal SystemBones also protect our body.
our skull protects our brain
our spine protects the nerves in our spinal column
our ribs protect our heart & lungs
Home
That is a lot of bones!Babies have over 300 bones in their body.
Adults have 206 bones in their body.
half of our bones are in our hands and feet
the largest and heaviest bone is the femur
The smallest bone is in the ear…ear ossicles. The stapes (“stirrup”), incus ("anvil"), and malleus (“hammer”).
Home
The SpineThe spine is the central support for the body. It is what allows us to stand up.
The spine is made up of separate bones called vertebrae.
There are 33 vertebrae in the spine
7 Cervical - in the neck
12 thoracic - chest area
5 lumbar - lower back
5 Sacrum & 4 Coccyx - fused vertebrae that make up the tailbone
Home
Did you know?
That Giraffes and humans have the same number of
bones in their neck. Giraffe neck vertebrates
are just much,much longer
Home
The rib cage is made up of 12 vertebra, 24 ribs and the sternum.
It protects our heart and lungs.
Menu
The Ribs
Our lower body is incredibly strong.
The pelvis - hip bone- helps us stand upright and move
Other bones in the leg are the femur, fibular & tibia
Our patella - knee cap - protects the knee joint
Hips and Legs
Home
Shoulders & ArmsThe clavicle and scapula form the shoulder
There are 3 bones that make up our arms
humorous
radius
ulna
Home
Half of our 206 bones are in our hands and feet
Our hands have 27 bones
Our feet have 25 bones
Hands and Feet
Home
QUIZ TIME!Click on the correct answer
How many bones are in the adult human body?
33 bones
206 bones
300 bones
What about Joints?
A joint is a location where two or more bones meet.
Some joints do not move - like those in our skull. But others help our body move.
Home
Sliding/Gliding Joints
These joints slide past each other. Midcarpals (in our hands) and midtarsals (in our feet) are gliding joints. See if you can feel the gliding joints as you make your hand into a fist.
Home
QUIZ TIME!Click on the correct answer
What type of joint is our shoulder?
sliding joint
hinge joint
ball and socket joint
pivot joint